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Samos

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Samos E-6 Credit: Manufacturer Image

AKA: E. Status: Operational 1960. First Launch: 1960-10-11. Last Launch: 1962-11-11. Number: 17 . Gross mass: 1,900 kg (4,100 lb).

Samos satellites carried one of four payloads:

• E-1 frame readout camera with 1.83 m focal length, 30 m ground resolution, and 161 km x 161 km frame coverage;
• E-2 frame readout camera with 0.91 m focal length, 6 m ground resolution, and 27 km x 27 km frame coverage;
• E-5 recoverable panoramic camera with 1.67 m focal length, 1.5 m ground resolution, and 98 km swath length;
• E-6 recoverable panoramic camera with 0.7 m focal length, 2.4 m ground resolution, and 280 km swath width.

Photo Gallery

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Samos F-1 Credit: Manufacturer Image

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Samos E-5 Credit: Manufacturer Image

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TRS 1 Credit: Manufacturer Image

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• Midas and Samos transferred. - . Related Persons: , McElroy. Spacecraft: WS-117, Midas, Samos. Headquarters USAF notified AFBMD that the Secretary of Defense, Neil H. McElroy, approved the transfer of MIDAS (Missile Detection Alarm System) and SAMOS (Satellite and Missile Observation System..

• Responsibility for military space programs assigned to USAF - . Spacecraft: WS-117, Transit, Midas, Samos.

  Once again, the Defense Department reorganized its space program. Primary responsibility for military space programs was assigned to the Air Force. ARPA retained responsibility for advanced research on missile defense, solid propellants, and several other projects. Existing projects were reassigned to the military services from ARPA - MIDAS and SAMOS to the Air Force,the Transit navigation satellite to the Navy, and NOTUS to the Army. These reassignments were not immediately effective, but the move toward Air Force development, production, and launching of military space vehicles was quite clear.

• Assignment of the MIDAS and SAMOS programs to the Air Force - . Related Persons: , McElroy. Spacecraft: WS-117, Midas, Samos. Secretary of Defense Neil H. McElroy officially approved assignment of the MIDAS and SAMOS programs to the Air Force and ARDC..

• Space programs reassigned to the military service of primary interest. - . Spacecraft: WS-117, Midas, Samos.

  Based on the 23 September decision, all Defense Department satellite and space vehicle programs were to be reassigned to the military services of primary interest. The Discoverer, MIDAS, and SAMOS programs were approved for transfer back to AFBMD from ARPA. All three programs were originally part of the WS 117L program that AFBMD had managed from inception in 1956 until the Advanced Research Projects Agency (ARPA) had assumed responsibility on 30 June 1958.

• Samos 1 - . Payload: Samos E-1 no. 1. Mass: 1,845 kg (4,067 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1960-10-11 . First generation photo surveillance; radio relay of images; Satellite and Missile Observation Satellite..

• Samos 2 - . Payload: Samos E-1 no. 2. Mass: 1,900 kg (4,100 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1973-10-21 . USAF Sat Cat: 70 . COSPAR: 1961-Alpha-1. Apogee: 557 km (346 mi). Perigee: 474 km (294 mi). Inclination: 97.40 deg. Period: 95.00 min.

  An Air Force Atlas D/Agena A was launched from Vandenberg and successfully placed the SAMOS II satellite into orbit. This was the last Air Force use of an Agena A upper stage vehicle. First generation photo surveillance; radio relay of images; micrometeoroid impact data. Poor results.

• Samos 3 - . Payload: Samos E-2 no. 1. Mass: 1,890 kg (4,160 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1961-09-09 . First generation photo surveillance; radio relay of images..

• Samos 4 - . Payload: Samos E-5 no. 1. Mass: 1,860 kg (4,100 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1961-11-22 . Apogee: 200 km (120 mi). First generation photo surveillance; return of camera and film by capsule; SAMOS type satellite..

• Samos 5 - . Payload: Samos E-5 no. 2. Mass: 1,860 kg (4,100 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1962-01-09 . USAF Sat Cat: 218 . COSPAR: 1961-A-Lambda-2. Apogee: 310 km (190 mi). Perigee: 187 km (116 mi). Inclination: 89.60 deg. Period: 89.40 min.

  First generation photo surveillance; return of camera and film by capsule; SAMOS type satellite. Reached orbit but failed to deorbit and be recovered. In his memoirs Sergei Khrushchev recounts recovery of what he believed to be a recoverable Samos, except the date given is the winter before tests of this configuration actually started. He relates that a second American capsule was recovered in the spring of 1961. It was equipped with a 30 cm lens and 100's of metres of 10 cm wide film. Also recovered were a pear-shaped module made of fibreglass, and an inertial orientation system powered by electric motors. It may have been a SAMOS prototype. The capsule was found by tractor drivers, who disassembled it and used the film to wrap around the frame of their outhouse to provide some privacy in the treeless area. Unfortunately this ruined the film, preventing the Russians from developing it and discovering the technical capabilities of the system.

• Samos 6 - . Payload: Samos E-5 no. 3. Mass: 1,860 kg (4,100 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1963-06-07 . USAF Sat Cat: 259 . COSPAR: 1962-Eta-3. Apogee: 686 km (426 mi). Perigee: 236 km (146 mi). Inclination: 90.90 deg. Period: 93.90 min. First generation photo surveillance; return of camera and film by capsule; SAMOS type satellite. Failed to return camera and film. Samos film return project cancelled; remaining 4 cameras placed in warehouse and later used on KH-6 Lanyard..

• Samos 7 - . Payload: Samos E-6 no. 1 / Agena B 2401. Mass: 1,588 kg (3,500 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1962-04-28 . USAF Sat Cat: 286 . COSPAR: 1962-Pi-1. Second generation photo surveillance; radio relay of images; Satellite and Missile Observation Satellite. Poor results..

• FTV 2401 RV - . Payload: E-6 RV. Mass: 1,900 kg (4,100 lb). Nation: USA. Agency: USAF. Spacecraft Bus: WS-117. Spacecraft: Samos. COSPAR: 1962-Pi-xx.

• Samos 8 - . Payload: Samos E-2 no. 2 / Agena B 2402. Mass: 1,860 kg (4,100 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1962-06-18 . USAF Sat Cat: 307 . COSPAR: 1962-Psi-1. Apogee: 198 km (123 mi). Perigee: 198 km (123 mi). Inclination: 96.20 deg. Period: 88.40 min. First generation photo surveillance; radio relay of images; Satellite and Missile Observation Satellite. Poor results..

• FTV 2402 RV - . Payload: E-6 RV. Mass: 1,900 kg (4,100 lb). Nation: USA. Agency: USAF. Spacecraft Bus: WS-117. Spacecraft: Samos. COSPAR: 1962-Psi-xx.

• Samos 9 - . Payload: Samos E-2 no. 3 / Agena B 2403. Mass: 1,860 kg (4,100 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1962-07-25 . USAF Sat Cat: 342 . COSPAR: 1962-A-Zeta-1. Apogee: 234 km (145 mi). Perigee: 184 km (114 mi). Inclination: 96.00 deg. Period: 88.60 min. First generation photo surveillance; radio relay of images; Satellite and Missile Observation Satellite. Poor results..

• FTV 2403 RV - . Payload: E-6 RV. Mass: 1,900 kg (4,100 lb). Nation: USA. Agency: USAF. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1962-07-27 . USAF Sat Cat: 343 . COSPAR: 1962-A-Zeta-2. Apogee: 215 km (133 mi). Perigee: 163 km (101 mi). Inclination: 96.10 deg. Period: 88.30 min.

• Samos 10 - . Payload: Samos E-6 no. 2 / Agena B 2404. Mass: 1,860 kg (4,100 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1962-08-06 . USAF Sat Cat: 361 . COSPAR: 1962-A-Lambda-2. Apogee: 203 km (126 mi). Perigee: 201 km (124 mi). Inclination: 96.20 deg. Period: 88.50 min. Second generation photo surveillance; radio relay of images; Satellite and Missile Observation Satellite. Poor results..

• FTV 2404 - . Payload: AFP-201 PVP 854. Mass: 1,900 kg (4,100 lb). Nation: USA. Agency: USAF. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1962-08-06 . USAF Sat Cat: 361 . COSPAR: 1962-A-Lambda-1. Apogee: 203 km (126 mi). Perigee: 203 km (126 mi). Inclination: 96.30 deg. Period: 88.50 min.

• FTV 2404 RV - . Payload: E-6 RV. Mass: 1,900 kg (4,100 lb). Nation: USA. Agency: USAF. Spacecraft Bus: WS-117. Spacecraft: Samos. COSPAR: 1962-A-Lambda-xx.

• Samos 11 - . Payload: Samos E-6 no. 3 / TRS 1 / Agena B 2405. Mass: 1,860 kg (4,100 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: Samos. Decay Date: 1962-11-12 . USAF Sat Cat: 455 . COSPAR: 1962-B-Pi-1. Apogee: 292 km (181 mi). Perigee: 128 km (79 mi). Inclination: 96.00 deg. Period: 88.70 min. Second generation photo surveillance; radio relay of images; Satellite and Missile Observation Satellite. Poor results. SAMOS project cancelled..

• FTV 2405 RV - . Payload: E-6 RV. Mass: 1,900 kg (4,100 lb). Nation: USA. Agency: USAF AFSC. Spacecraft Bus: WS-117. Spacecraft: Samos. COSPAR: 1962-B-Pi-xx.