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EORSAT

Russia

Original archive entry. The text, images and links below are kept as they were written.

Naval forces monitoring. Determines position of enemy naval forces through detection and triangulation of their electromagnetic emissions (radio, radar, etc.)

Related

Country
Russia
Spacecraft
US-P, US-PU
Launch Vehicles
Tsiklon-2
Launch Sites
Baikonur
Agency
VMF, MO, Arsenal

Chronology

47 events

1974 December 24

11:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 699 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1977-10-16 . USAF Sat Cat: 7587 . COSPAR: 1974-103A. Apogee: 440 km (270 mi). Perigee: 428 km (265 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring; exploded 4/17/75..

1975 October 29

11:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 777 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1976-06-03 . USAF Sat Cat: 8416 . COSPAR: 1975-102A. Apogee: 442 km (274 mi). Perigee: 425 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring; exploded 1/76..

1977 August 24

07:07 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 937 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1978-10-19 . USAF Sat Cat: 10278 . COSPAR: 1977-077A. Apogee: 444 km (275 mi). Perigee: 424 km (263 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1979 April 18

12:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1094 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1979-09-30 . USAF Sat Cat: 11333 . COSPAR: 1979-033A. Apogee: 442 km (274 mi). Perigee: 426 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1979 April 25

10:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1096 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1979-11-24 . USAF Sat Cat: 11346 . COSPAR: 1979-036A. Apogee: 442 km (274 mi). Perigee: 428 km (265 mi). Inclination: 65.10 deg. Period: 93.30 min. Ocean monitoring..

1980 March 14

10:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1167 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1981-10-01 . USAF Sat Cat: 11729 . COSPAR: 1980-021A. Apogee: 442 km (274 mi). Perigee: 426 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1980 November 4

15:04 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1220 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-06-20 . USAF Sat Cat: 12054 . COSPAR: 1980-089A. Apogee: 759 km (471 mi). Perigee: 526 km (326 mi). Inclination: 65.00 deg. Period: 97.60 min. Ocean monitoring..

1981 March 20

23:45 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1260 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-05-22 . USAF Sat Cat: 12364 . COSPAR: 1981-028A. Apogee: 444 km (275 mi). Perigee: 425 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1981 August 4

08:28 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1286 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-10-16 . USAF Sat Cat: 12631 . COSPAR: 1981-072A. Apogee: 442 km (274 mi). Perigee: 430 km (260 mi). Inclination: 65.00 deg. Period: 93.20 min. Ocean monitoring..

1981 September 14

20:31 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1306 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: RVSN. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-07-16 . USAF Sat Cat: 12828 . COSPAR: 1981-089A. Apogee: 424 km (263 mi). Perigee: 168 km (104 mi). Inclination: 65.00 deg. Period: 90.40 min. Ocean monitoring; replaced Cosmos 1260..

1982 February 11

01:11 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1337 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-07-25 . USAF Sat Cat: 13061 . COSPAR: 1982-010A. Apogee: 444 km (275 mi). Perigee: 426 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1982 April 29

09:55 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1355 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1984-03-07 . USAF Sat Cat: 13150 . COSPAR: 1982-038A. Apogee: 295 km (183 mi). Perigee: 277 km (172 mi). Inclination: 65.00 deg. Period: 90.20 min. Ocean monitoring..

1982 September 4

17:50 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1405 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1984-01-31 . USAF Sat Cat: 13508 . COSPAR: 1982-088A. Apogee: 443 km (275 mi). Perigee: 425 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1983 May 7

10:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1461 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1985-05-31 . USAF Sat Cat: 14064 . COSPAR: 1983-044A. Apogee: 803 km (498 mi). Perigee: 574 km (356 mi). Inclination: 65.00 deg. Period: 98.50 min. Ocean monitoring..

1983 October 29

08:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1507 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1987-08-19 . USAF Sat Cat: 14455 . COSPAR: 1983-110A. Apogee: 325 km (201 mi). Perigee: 298 km (185 mi). Inclination: 65.00 deg. Period: 90.80 min. Ocean monitoring..

1984 May 30

18:46 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1567 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1988-04-03 . USAF Sat Cat: 15009 . COSPAR: 1984-053A. Apogee: 369 km (229 mi). Perigee: 353 km (219 mi). Inclination: 65.00 deg. Period: 91.80 min. Ocean monitoring..

1984 August 7

22:50 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1588 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1986-02-28 . USAF Sat Cat: 15167 . COSPAR: 1984-083A. Apogee: 347 km (215 mi). Perigee: 331 km (205 mi). Inclination: 65.00 deg. Period: 91.30 min. Ocean monitoring..

1985 January 23

19:58 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1625 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1985-01-25 . USAF Sat Cat: 15492 . COSPAR: 1985-008A. Apogee: 390 km (240 mi). Perigee: 118 km (73 mi). Inclination: 65.00 deg. Period: 89.60 min. Ocean monitoring..

1985 April 18

21:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1646 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1987-11-30 . USAF Sat Cat: 15653 . COSPAR: 1985-030A. Apogee: 399 km (247 mi). Perigee: 378 km (234 mi). Inclination: 65.00 deg. Period: 92.30 min. Ocean monitoring..

1985 September 19

01:32 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1682 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1986-12-31 . USAF Sat Cat: 16054 . COSPAR: 1985-082A. Apogee: 446 km (277 mi). Perigee: 341 km (211 mi). Inclination: 65.00 deg. Period: 92.40 min. Ocean surveillance..

1986 February 27

01:44 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1735 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1988-11-17 . USAF Sat Cat: 16620 . COSPAR: 1986-021A. Apogee: 442 km (274 mi). Perigee: 419 km (260 mi). Inclination: 65.00 deg. Period: 93.20 min. Ocean surveillance..

1986 March 25

19:26 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1737 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1986-12-03 . USAF Sat Cat: 16648 . COSPAR: 1986-025A. Apogee: 426 km (264 mi). Perigee: 414 km (257 mi). Inclination: 73.40 deg. Period: 93.00 min. Ocean surveillance..

1986 August 4

05:08 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1769 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1987-09-30 . USAF Sat Cat: 16895 . COSPAR: 1986-059A. Apogee: 383 km (237 mi). Perigee: 287 km (178 mi). Inclination: 65.00 deg. Period: 91.20 min. Ocean surveillance..

1987 April 8

03:51 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1834 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1988-10-14 . USAF Sat Cat: 17847 . COSPAR: 1987-031A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1987 October 10

21:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1890 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1988-12-26 . USAF Sat Cat: 18396 . COSPAR: 1987-086A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1988 May 28

02:49 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1949 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1990-04-23 . USAF Sat Cat: 19193 . COSPAR: 1988-045A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1988 November 18

00:12 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 1979 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1989-12-25 . USAF Sat Cat: 19647 . COSPAR: 1988-101A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1989 July 24

00:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2033 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-01-06 . USAF Sat Cat: 20147 . COSPAR: 1989-058A. Apogee: 322 km (200 mi). Perigee: 196 km (121 mi). Inclination: 65.00 deg. Period: 89.70 min. Ocean surveillance..

1989 September 27

16:20 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2046 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-04-16 . USAF Sat Cat: 20259 . COSPAR: 1989-079A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1989 November 24

23:22 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2051 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1990-01-21 . USAF Sat Cat: 20334 . COSPAR: 1989-092A. Apogee: 310 km (190 mi). Perigee: 293 km (182 mi). Inclination: 64.90 deg. Period: 90.60 min. Ocean surveillance..

1990 March 14

15:27 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2060 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-09-01 . USAF Sat Cat: 20525 . COSPAR: 1990-022A. Apogee: 418 km (259 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.80 min. Ocean surveillance..

1990 August 23

16:17 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2096 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1992-08-30 . USAF Sat Cat: 20765 . COSPAR: 1990-075A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1990 November 14

06:33 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2103 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-04-03 . USAF Sat Cat: 20933 . COSPAR: 1990-096A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1990 December 4

00:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2107 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-01-31 . USAF Sat Cat: 20985 . COSPAR: 1990-108A. Apogee: 416 km (258 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.80 min. Ocean surveillance..

1991 January 18

11:34 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2122 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1993-03-28 . USAF Sat Cat: 21065 . COSPAR: 1991-005A. Apogee: 415 km (257 mi). Perigee: 401 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1993 March 30

12:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2238 - . Payload: US-PU s/n 1. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 567.00 days. Decay Date: 1994-12-10 . USAF Sat Cat: 22585 . COSPAR: 1993-018A. Apogee: 416 km (258 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. First launch of new EORSAT, first of at 120 degree intervals on the same orbit with a 0 degree ascending node. Ocean surveillance..

1993 April 28

03:39 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2244 - . Payload: US-PU s/n 2. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 657.00 days. Decay Date: 1995-03-18 . USAF Sat Cat: 22643 . COSPAR: 1993-029A. Apogee: 416 km (258 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.80 min. Second launch of new EORSAT, second of three stationed at 120 degree intervals on the same orbit with a 0 degree ascending node..

1993 July 7

07:15 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2258 - . Payload: US-PY s/n 3. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 603.00 days. Decay Date: 1995-06-08 . USAF Sat Cat: 22709 . COSPAR: 1993-044A. Apogee: 417 km (259 mi). Perigee: 400 km (240 mi). Inclination: 65.00 deg. Period: 92.80 min. Third launch of new EORSAT, final of three stationed at 120 degree intervals on the same orbit with a 0 degree ascending node. Ocean surveillance..

1993 September 17

00:43 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2264 - . Payload: US-PM s/n 4. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 564.00 days. Decay Date: 1995-08-07 . USAF Sat Cat: 22808 . COSPAR: 1993-060A. Apogee: 417 km (259 mi). Perigee: 401 km (249 mi). Inclination: 65.00 deg. Period: 92.80 min. EORSAT, first of three to be stationed at 120 degree intervals on the same orbit with a 215 degree ascending node. However cutbacks in program resulted in the constellation not being completed. Ocean surveillance..

1994 November 2

01:04 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2293 - . Payload: US-PM s/n 5. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 497.00 days. Decay Date: 1996-05-13 . USAF Sat Cat: 23336 . COSPAR: 1994-072A. Apogee: 418 km (259 mi). Perigee: 402 km (249 mi). Inclination: 65.03 deg. Period: 92.78 min. Second launch of new EORSAT, second of three to be stationed at 120 degree intervals on the same orbit with a 215 degree ascending node. However cutbacks in program resulted in the constellation not being completed. Ocean surveillance..

1995 June 8

04:43 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2313 - . Payload: US-PM s/n 6. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 685.00 days. Decay Date: 1997-07-11 . USAF Sat Cat: 23596 . COSPAR: 1995-028A. Apogee: 419 km (260 mi). Perigee: 410 km (250 mi). Inclination: 65.00 deg. Period: 87.60 min. EORSAT, first of three to be stationed at 120 degree intervals on the same orbit with a 143 degree ascending node. However cutbacks in program resulted in the constellation not being completed. Ocean surveillance..

1995 December 20

00:52 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2326 - . Payload: US-PM s/n 7. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 660.00 days. Decay Date: 1997-11-08 . USAF Sat Cat: 23748 . COSPAR: 1995-071A. Apogee: 415 km (257 mi). Perigee: 406 km (252 mi). Inclination: 65.00 deg. Period: 87.20 min. EORSAT, placed in 215 degree ascending node orbital slot. Ocean surveillance; also performed astrophysics research..

1996 December 11

12:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2335 - . Payload: US-PM s/n 8. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 1999-01-01 . USAF Sat Cat: 24670 . COSPAR: 1996-069A. Apogee: 418 km (259 mi). Perigee: 403 km (250 mi). Inclination: 65.00 deg. Period: 92.80 min. EORSAT, second of three to be stationed at 120 degree intervals on the same orbit with a 143 degree ascending node. However cutbacks in program resulted in the constellation not being completed. Still in operation as of December 1997..

1997 December 9

07:17 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2347 - . Payload: US-PM s/n 9. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 1999-12-11 . USAF Sat Cat: 25088 . COSPAR: 1997-079A. Apogee: 417 km (259 mi). Perigee: 403 km (250 mi). Inclination: 65.00 deg. Period: 92.80 min. EORSAT, in the 217 degree ascending node slot. Still in operation as of December 1997..

2001 December 21

04:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2383 - . Payload: US-PM s/n 11. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: VMF. Manufacturer: Arsenal. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 2004-03-20 . USAF Sat Cat: 27053 . COSPAR: 2001-057A. Apogee: 415 km (257 mi). Perigee: 404 km (251 mi). Inclination: 65.00 deg.

    Signal Intelligence Satellite. Launch delayed December 19. The booster put the satellite into an initial orbit of 145 x 405 km x 65.0 deg. At apogee the satellite ignited its own propulsion system to increase velocity by about 70-80 m/s and circularize the orbit.

2004 May 28

06:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2405 - . Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: VMF. Manufacturer: Arsenal. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 2006-06-16 . USAF Sat Cat: 28350 . COSPAR: 2004-020A. Apogee: 417 km (259 mi). Perigee: 405 km (251 mi). Inclination: 65.00 deg. Period: 92.80 min. Original reported name Cosmos 2407..

2006 June 24

Launch Site: Baikonur. Launch Complex: Baikonur LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.
  • Cosmos 2421 - . Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: VMF. Manufacturer: Arsenal. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 2006-06-24 . USAF Sat Cat: 29246 . COSPAR: 2006-026A. Apogee: 414 km (257 mi). Perigee: 384 km (238 mi). Inclination: 65.00 deg. Period: 92.50 min.