TOPO 1 - .
Payload: Topo A. Mass: 18 kg (39 lb). Nation: USA.
Agency: USA TOPO.
Class: Earth.
Type: Geodetic satellite. Spacecraft: TOPO.
USAF Sat Cat: 4363 . COSPAR: 1970-025B. Apogee: 1,087 km (675 mi). Perigee: 1,084 km (673 mi). Inclination: 100.00 deg. Period: 107.00 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .