Key statistics
Satellite COSMOS 858 at a glance.
Uptime
17871
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 858.
Object identification
Identified? True
Debris? False
Object name: COSMOS 858
International designator: 1976-098A
Object number (NORAD): 9443
Object ID (CCSDS): 9443
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.348 minutes
Inclination: 74.0514 deg
SMA: 7153.197 km
Apoapsis: 784.549 km
Periapsis: 765.576 km
RAAN: 324.7227 deg
Eccentricy: 0.00132615
Argument of periapsis: 159.0751 deg
Mean anomaly: 201.0947 deg
Mean motion: 14.35001795 rev/day
Mean motion (dot): 0.00000314 rev/day2
B* drag term: 0.00011938383 1/REarth
Two-line elements (TLE)
Creation date: Sept. 3, 2025, 2:21 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 2, 2025, 4:44 p.m. UTC
TLE line 0: 0 COSMOS 858
TLE line 1: 1 09443U 76098A 25245.69771371 .00000314 00000-0 11938-3 0 9992
TLE line 2: 2 09443 74.0514 324.7227 0013261 159.0751 201.0947 14.35001795557512
Live tracking on map
Real-time ground track for satellite COSMOS 858.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 858.
Associated space launch
Military communications satellite
COSMOS 858 was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 14’, on board a Kosmos-3M space rocket.
The launch took place on Sept. 29, 1976, 7:04 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 14
Agency: N/A
Status: Launch Successful
Launch date: Sept. 29, 1976, 7:04 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
