Spacecraft information: 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 0.00153
RA ascending node 6.519 hr
Argument perigee 61.928°
Mean anomaly 298.342°
Orbital period 100.191 min
Epoch of osculation 16 Jul 2026, 03:19

See historical orbital elements »

Derived Quantities

Min Altitude 763.8 km
Mean Altitude 774.7 km
Peak Altitude 785.7 km

Launched alongside

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

Orbital History

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Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EDT

Color scheme


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Last updated: 16 Jul 2026, 18:51 UTC
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