COSMOS 858

Launch Details
Launched 28 September 1976
Flight ended –
Status Unknown
Launch site Plesetsk Missile and Space Complex, Russia
Owner Commonwealth of Independent States (former USSR)
NORAD ID 9443
COSPAR ID 1976-098A
Observing

Current orbital elements

Inclination 74.049°
Eccentricity 0.00128
RA ascending node 20.201 hr
Argument perigee 133.359°
Mean anomaly 226.864°
Orbital period 100.348 min
Epoch of osculation 14 Sep 2025, 13:10

See historical orbital elements »

Derived Quantities

Min Altitude 773.0 km
Mean Altitude 782.2 km
Peak Altitude 791.4 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
PDT

Color scheme


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