Key statistics
Satellite COSMOS 858 at a glance.
Uptime
17813
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
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: 100.35 minutes
Inclination: 74.0495 deg
SMA: 7153.26 km
Apoapsis: 785.756 km
Periapsis: 764.494 km
RAAN: 71.9641 deg
Eccentricy: 0.0014862
Argument of periapsis: 275.6383 deg
Mean anomaly: 84.3075 deg
Mean motion: 14.34982974 rev/day
Mean motion (dot): 0.0000009 rev/day2
B* drag term: 0.000040695 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 3:17 a.m. UTC
TLE line 0: 0 COSMOS 858
TLE line 1: 1 09443U 76098A 25187.13715924 .00000090 00000-0 40695-4 0 9992
TLE line 2: 2 09443 74.0495 71.9641 0014862 275.6383 84.3075 14.34982974549112
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.
