COSMOS 990

Launch Details
Launched 16 February 1978
Flight ended –
Status Unknown
Launch site Plesetsk Missile and Space Complex, Russia
Owner Commonwealth of Independent States (former USSR)
NORAD ID 10676
COSPAR ID 1978-019A
Observing

Current orbital elements

Inclination 74.039°
Eccentricity 0.00175
RA ascending node 14.352 hr
Argument perigee 246.071°
Mean anomaly 113.862°
Orbital period 100.199 min
Epoch of osculation 29 Oct 2025, 12:03

See historical orbital elements »

Derived Quantities

Min Altitude 762.6 km
Mean Altitude 775.1 km
Peak Altitude 787.6 km

Orbital History

Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.

Launched alongside

SL-8 R/B SL-8 DEB SL-8 DEB SL-8 DEB

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PST

Color scheme


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