Satellites

Payload

TOPO 1

activePayloadLEO

TOPO 1 is a United States payload satellite, launched on April 8, 1970 into LEO.

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Launch

Launch date
April 8, 1970 at 08:17 AM UTC
Launch site
Vandenberg SFB, USA
Operator
United States Air Force
Mission
Nimbus 4

Orbit

Orbit regime
LEO
Apoapsis
1,086 km
Periapsis
1,083 km
Inclination
99.89°
Orbital period
106.93 min

Spacecraft

Operator
United States
Launch mass
17.84 kg

Identity

COSPAR (Int'l)
1970-025B
NORAD catalog №
4363
Object type
Payload
Owner / operator
United StatesUnited States
Radar cross-section
0.1643 m²
Status
active