Key statistics
Satellite COSMOS 1904 at a glance.
Uptime
13825
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1904.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1904
International designator: 1987-106A
Object number (NORAD): 18709
Object ID (CCSDS): 18709
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.769 minutes
Inclination: 82.9139 deg
SMA: 7361.782 km
Apoapsis: 1003.407 km
Periapsis: 963.887 km
RAAN: 243.0583 deg
Eccentricy: 0.00268415
Argument of periapsis: 331.7558 deg
Mean anomaly: 93.1792 deg
Mean motion: 13.74448063 rev/day
Mean motion (dot): 0.00000095 rev/day2
B* drag term: 0.000084942415 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 2:18 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 27, 2025, 10:31 p.m. UTC
TLE line 0: 0 COSMOS 1904
TLE line 1: 1 18709U 87106A 25300.93878237 .00000095 00000-0 84942-4 0 9999
TLE line 2: 2 18709 82.9139 243.0583 0026842 331.7558 93.1792 13.74448063897799
Live tracking on map
Real-time ground track for satellite COSMOS 1904.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 1904.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
COSMOS 1904 was lifted into orbit during the mission ‘Kosmos-3M | Parus 61’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 23, 1987, 8:22 p.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Parus 61
Agency: N/A
Status: Launch Successful
Launch date: Dec. 23, 1987, 8:22 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
...
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