Key statistics
Satellite COSMOS 1858 at a glance.
Uptime
13903
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1858.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1858
International designator: 1987-051G
Object number (NORAD): 18119
Object ID (CCSDS): 18119
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.647 minutes
Inclination: 74.0011 deg
SMA: 7817.494 km
Apoapsis: 1477.788 km
Periapsis: 1400.93 km
RAAN: 191.0453 deg
Eccentricy: 0.0049158
Argument of periapsis: 257.9243 deg
Mean anomaly: 288.4439 deg
Mean motion: 12.56034048 rev/day
Mean motion (dot): 0.00000005 rev/day2
B* drag term: 0.00013235 1/REarth
Two-line elements (TLE)
Creation date: July 9, 2025, 2:22 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 6:33 p.m. UTC
TLE line 0: 0 COSMOS 1858
TLE line 1: 1 18119U 87051G 25189.77310266 .00000005 00000-0 13235-3 0 9990
TLE line 2: 2 18119 74.0011 191.0453 0049158 257.9243 288.4439 12.56034048745161
Live tracking on map
Real-time ground track for satellite COSMOS 1858.
Associated space launch
Military communications satellites
COSMOS 1858 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 321-328’, on board a Kosmos-3M space rocket.
The launch took place on June 16, 1987, 5:51 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 321-328
Agency: N/A
Status: Launch Successful
Launch date: June 16, 1987, 5:51 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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