Key statistics
Satellite COSMOS 1858 at a glance.
Uptime
14061
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: 114.646 minutes
Inclination: 74.0047 deg
SMA: 7817.481 km
Apoapsis: 1476.994 km
Periapsis: 1401.699 km
RAAN: 338.4634 deg
Eccentricy: 0.00481582
Argument of periapsis: 16.9465 deg
Mean anomaly: 156.8451 deg
Mean motion: 12.56037184 rev/day
Mean motion (dot): 0.00000007 rev/day2
B* drag term: 0.00014261919 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 4:49 p.m. UTC
TLE line 0: 0 COSMOS 1858
TLE line 1: 1 18119U 87051G 25347.70102520 .00000007 00000-0 14262-3 0 9994
TLE line 2: 2 18119 74.0047 338.4634 0048158 16.9465 156.8451 12.56037184764994
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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