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 74.050°
Eccentricity 0.00148
RA ascending node 5.734 hr
Argument perigee 290.420°
Mean anomaly 69.536°
Orbital period 100.350 min
Epoch of osculation 28 Jun 2025, 11:14

See historical orbital elements »

Derived Quantities

Min Altitude 771.7 km
Mean Altitude 782.3 km
Peak Altitude 792.9 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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