Spacecraft launched in 1977

space probe launched by NASA to study the outer Solar System, furthest spacecraft from Earth

space probe launched by NASA to study the outer Solar System, second furthest spacecraft from Earth after Voyager 1

former Soviet orbital space station

Failed nuclear spacecraft

crewed flight of the Soyuz programme

crewed flight of the Soyuz programme

crewed flight of the Soyuz programme

space observatory

bion satellite

artificial satellite

Soviet anti-satellite test target satellite

Soviet anti-ballistic missile target satellite

Soviet anti-ballistic missile radar target

Soviet anti-satellite test target satellite

Soviet signals intelligence satellite

Russian military early warning satellite

The ISEE-1 (International Sun-Earth Explorer-A or ISEE-A) was an Explorer-class mother spacecraft, International Sun-Earth Explorer-1, was part of the mother/daughter/heliocentric mission (ISEE-1, ISEE-2, ISEE-3). ISEE-1 was a space probe used to study magnetic fields near the Earth. ISEE-1 was a spin-stabilized spacecraft and based on the design of the prior IMP (Interplanetary Monitoring Platform) series of spacecraft. ISEE-1 and ISEE-2 were launched on 22 October 1977, and they re-entered on 26 September 1987.

Russian military early warning satellite

The ISEE-2 (International Sun-Earth Explorer-B or ISEE-B) was an Explorer-class daughter spacecraft, International Sun-Earth Explorer-2, was part of the mother/daughter/heliocentric mission (ISEE-1, ISEE-2, ISEE-3). ISEE-2 was a space probe used to study magnetic fields near the Earth. ISEE-2 was a spin-stabilized spacecraft and based on the design of the prior IMP (Interplanetary Monitoring Platform) series of spacecraft. ISEE-1 and ISEE-2 were launched on 22 October 1977, and they re-entered on 26 September 1987.

Russian military early warning satellite