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Thor Delta E1

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AKA: Delta E1. Status: Retired 1971. First Launch: 1966-07-01. Last Launch: 1971-04-01. Number: 17 . Payload: 540 kg (1,190 lb). Thrust: 1,450.00 kN (325,970 lbf). Gross mass: 68,000 kg (149,000 lb). Height: 28.00 m (91.00 ft). Diameter: 2.44 m (8.00 ft). Apogee: 400,000 km (240,000 mi).

LEO Payload: 540 kg (1,190 lb). Payload: 150 kg (330 lb) to a GTO.

• Explorer 33 - . Payload: AIMP D. Mass: 93 kg (205 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. USAF Sat Cat: 2258 . COSPAR: 1966-058A. Apogee: 480,762 km (298,731 mi). Perigee: 265,679 km (165,084 mi). Inclination: 24.10 deg. Period: 38,792.40 min. Intended to enter lunar orbit. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Pioneer 7 - . Payload: Pioneer B. Mass: 63 kg (138 lb). Nation: USA. Agency: NASA Ames. Program: Pioneer. Class: Astronomy. Type: Solar satellite. Spacecraft: Pioneer 6-7-8-9-E. USAF Sat Cat: 2398 . COSPAR: 1966-075A. Apogee: 993 km (617 mi). Perigee: 246 km (152 mi). Inclination: 33.00 deg. Period: 97.20 min. Monitored solar wind, cosmic rays. SOLAR ORB. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..

• Intelsat 2 F-1 - . Mass: 140 kg (300 lb). Nation: International. Agency: Intelsat. Program: Intelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft Bus: HS 303. Spacecraft: Intelsat 2. Decay Date: 1982-09-07 . USAF Sat Cat: 2514 . COSPAR: 1966-096A. Apogee: 37,070 km (23,030 mi). Perigee: 3,328 km (2,067 mi). Inclination: 17.30 deg. Period: 718.70 min. Unusable orbit due to AKM failure. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Intelsat 2 F-2 - . Mass: 87 kg (191 lb). Nation: International. Agency: INTELSAT. Program: Intelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft Bus: HS 303. Spacecraft: Intelsat 2. Completed Operations Date: 1977-05-01 . USAF Sat Cat: 2639 . COSPAR: 1967-001A. Apogee: 35,808 km (22,250 mi). Perigee: 35,769 km (22,225 mi). Inclination: 1.60 deg. Period: 1,436.20 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Pacific Ocean at 174 deg E in 1967-1969; over the Pacific Ocean 162-170 deg E in 1969-1970; over the Pacific Ocean 150-160 deg E in 1970-1975 As of 7 August 2001 located at 48.66 deg E drifting at 0.413 deg W per day. As of 2007 Mar 8 located at 63.48W drifting at 0.357W degrees per day.

• Intelsat 2 F-3 - . Mass: 192 kg (423 lb). Nation: International. Agency: INTELSAT. Program: Intelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft Bus: HS 303. Spacecraft: Intelsat 2. Completed Operations Date: 1977-05-01 . USAF Sat Cat: 2717 . COSPAR: 1967-026A. Apogee: 35,899 km (22,306 mi). Perigee: 35,670 km (22,160 mi). Inclination: 12.50 deg. Period: 1,436.00 min.

  Positioned in geosynchronous orbit over the Atlantic Ocean at 15 deg W in 1967-1971; over the Atlantic Ocean at 35 deg W in 1972; over the Atlantic Ocean at 15 deg W in 1973. As of 22 August 2001 was at 6.75 deg W drifting at 0.037 deg W per day. As of 2005 Dec 5 located at 13.34E drifting at 0.188W degrees per day. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• Explorer 34 - . Payload: IMP F. Mass: 75 kg (165 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. Decay Date: 1969-05-03 . USAF Sat Cat: 2817 . COSPAR: 1967-051A. Apogee: 214,379 km (133,208 mi). Perigee: 242 km (150 mi). Inclination: 67.10 deg. Period: 6,358.20 min. Radiation, magnetic field data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Explorer 35 - . Payload: AIMP E. Mass: 104 kg (229 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. USAF Sat Cat: 2884 . COSPAR: 1967-070A. Apogee: 675 km (419 mi). Perigee: 484 km (300 mi). Inclination: 32.40 deg. Period: 96.26 min.

  Earth magnetic tail measurements. Lunar Orbit (Selenocentric). The Westinghouse Aerospace Division, under contract to National Aeronautics and Space Administration's Goddard Space Flight Center, engaged in the system design, integration, assembly and launch support for Anchored Interplanetary Monitoring Platform Satellite, officially designated Explorer 35 by the National Aeronautics and Space Administration. It was launched on July 19, 1967, with the primary objectives of investigation of interplanetary plasma and the interplanetary magnetic field out to and at the lunar distance, in either a captured lunar orbit or a geocentric orbit of the earth. In the geocentric orbit, the apogee was near or beyond the lunar distance. In a lunar orbit, additional objectives included obtaining data on dust distribution, lunar gravitational field, ionosphere, magnetic field, and radiation environment around the moon. AIMP-E also studied spatial and temporal relationships of geophysical and interplanetary phenomena simultaneously being studied by several other National Aeronautics and Space Administration satellites. The investigation in the vicinity of the moon provided for measurements of the characteristics of the interplanetary dust distribution, solar and galactic cosmic rays, as well as a study of the magnetohydrodynamic wake of the earth in the interplanetary medium at the lunar distances.

• Intelsat 2 F-4 - . Mass: 87 kg (191 lb). Nation: International. Agency: INTELSAT. Program: Intelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft Bus: HS 303. Spacecraft: Intelsat 2. Completed Operations Date: 1977-05-01 . USAF Sat Cat: 2969 . COSPAR: 1967-094A. Apogee: 35,885 km (22,297 mi). Perigee: 35,729 km (22,200 mi). Inclination: 13.00 deg. Period: 1,437.10 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Pacific Ocean at 176 deg E in 1967-1970; over the Pacific Ocean 166 deg W in 1971; over the Atlantic Ocean 30-42 deg W in 1972 As of 1 August 2001 located at 36.36 deg W drifting at 0.096 deg E per day. As of 2007 Mar 7 located at 168.68W drifting at 0.093W degrees per day.

• ESSA 6 - . Payload: TOS D. Mass: 132 kg (291 lb). Nation: USA. Agency: ESSA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: TOS. USAF Sat Cat: 3035 . COSPAR: 1967-114A. Apogee: 1,485 km (922 mi). Perigee: 1,409 km (875 mi). Inclination: 102.10 deg. Period: 114.80 min. Returned cloud cover images. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Pioneer 8 - . Payload: Pioneer C / TTS 1. Mass: 63 kg (138 lb). Nation: USA. Agency: NASA Ames. Program: Pioneer. Class: Astronomy. Type: Solar satellite. Spacecraft: Pioneer 6-7-8-9-E. USAF Sat Cat: 3066 . COSPAR: 1967-123A. Solar radiation data. Solar Orbit (Heliocentric). Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..

• TTS 1 - . Payload: TTS A. Mass: 20 kg (44 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Tracking network technology satellite. Spacecraft: TTS. Decay Date: 1968-04-28 . USAF Sat Cat: 3067 . COSPAR: 1967-123B. Apogee: 490 km (300 mi). Perigee: 287 km (178 mi). Inclination: 32.90 deg. Period: 92.20 min. Test and Training Satellite; tested Apollo tracking network. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• Explorer 36 - . Payload: GEOS B. Mass: 209 kg (460 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Astronomy. Type: Solar satellite. Spacecraft: GEOS. USAF Sat Cat: 3093 . COSPAR: 1968-002A. Apogee: 1,574 km (978 mi). Perigee: 1,081 km (671 mi). Inclination: 105.80 deg. Period: 112.20 min.

  The geodetic instrumentation systems included (1) four optical beacons, (2) two C-band radar transponders, (3) a passive radar reflector, (4) a sequential collation of range radio range transponder, (5) a Goddard range and range rate transponder, (6) laser reflectors, and (7) Doppler beacons. Non-geodetic systems included a laser detector and a Minitrack interferometer beacon. The objectives of the spacecraft were to optimise optical station visibility periods and to provide complementary data for inclination-dependent terms established by the Explorer 29 (GEOS 1) gravimetric studies. The spacecraft was placed into a retrograde orbit to accomplish these objectives. Operational problems occurred in the main power system, optical beacon flash system, and the spacecraft clock, and adjustments in scheduling resulted in nominal operations.

• Pioneer 9 - . Payload: Pioneer D / TTS 2. Mass: 63 kg (138 lb). Nation: USA. Agency: NASA Ames. Program: Pioneer. Class: Astronomy. Type: Solar satellite. Spacecraft: Pioneer 6-7-8-9-E. USAF Sat Cat: 3533 . COSPAR: 1968-100A. Solar radiation data. Solar Orbit (Heliocentric). Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..

• TTS 2; TATS 2 (TETR 2) - . Payload: TETR 2. Mass: 40 kg (88 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Tracking network technology satellite. Spacecraft: TTS. Decay Date: 1979-09-19 . USAF Sat Cat: 3534 . COSPAR: 1968-100B. Apogee: 945 km (587 mi). Perigee: 375 km (233 mi). Inclination: 32.90 deg. Period: 98.00 min. Test and Training Satellite; test vehicle for NASA Manned Space Flight Network. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• HEOS 1 - . Payload: HEOS A1. Mass: 108 kg (238 lb). Nation: Europe. Agency: ESRO. Class: Earth. Type: Magnetosphere satellite. Spacecraft: HEOS. Decay Date: 1975-10-28 . USAF Sat Cat: 3595 . COSPAR: 1968-109A. Apogee: 202,780 km (126,000 mi). Perigee: 20,020 km (12,430 mi). Inclination: 60.50 deg. Period: 6,704.30 min. Highly Eccentric Orbiting Satellite; examined magnetic fields outside of Earth's magnetosphere. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Isis 1 - . Payload: Isis A. Mass: 241 kg (531 lb). Nation: Canada. Agency: CRCSS. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Isis. USAF Sat Cat: 3669 . COSPAR: 1969-009A. Apogee: 3,458 km (2,148 mi). Perigee: 578 km (359 mi). Inclination: 88.40 deg. Period: 127.60 min. Ionospheric measurements; data correlated with measurements from Alouette 1. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• ESSA 9 - . Payload: TOS G. Mass: 145 kg (319 lb). Nation: USA. Agency: ESSA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: TOS. USAF Sat Cat: 3764 . COSPAR: 1969-016A. Apogee: 1,505 km (935 mi). Perigee: 1,425 km (885 mi). Inclination: 101.80 deg. Period: 115.20 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Explorer 41 - . Payload: IMP G. Mass: 174 kg (383 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. Decay Date: 1972-12-23 . USAF Sat Cat: 3990 . COSPAR: 1969-053A. Apogee: 98,159 km (60,993 mi). Perigee: 80,374 km (49,941 mi). Inclination: 86.00 deg. Period: 4,906.30 min. Cislunar radiation data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Isis 2 - . Payload: Isis B. Mass: 264 kg (582 lb). Nation: Canada. Agency: CRCSS. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Isis. USAF Sat Cat: 5104 . COSPAR: 1971-024A. Apogee: 1,424 km (884 mi). Perigee: 1,358 km (843 mi). Inclination: 88.20 deg. Period: 113.60 min. Ionospheric research. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .