Key statistics
Satellite COSMOS 1900 at a glance.
Uptime
13663
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
66.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1900.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1900
International designator: 1987-101A
Object number (NORAD): 18665
Object ID (CCSDS): 18665
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 98.938 minutes
Inclination: 66.0838 deg
SMA: 7086.022 km
Apoapsis: 735.643 km
Periapsis: 680.131 km
RAAN: 77.7313 deg
Eccentricy: 0.003917
Argument of periapsis: 333.1705 deg
Mean anomaly: 26.7374 deg
Mean motion: 14.55455692 rev/day
Mean motion (dot): 0.0000024 rev/day2
B* drag term: 0.000078299 1/REarth
Two-line elements (TLE)
Creation date: May 9, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 8, 2025, 7:01 a.m. UTC
TLE line 0: 0 COSMOS 1900
TLE line 1: 1 18665U 87101A 25128.29286400 .00000240 00000-0 78299-4 0 9997
TLE line 2: 2 18665 66.0838 77.7313 0039170 333.1705 26.7374 14.55455692989583
Live tracking on map
Real-time ground track for satellite COSMOS 1900.
Associated space launch
Active radar satellite for ocean surveillance powered by a nuclear reactor.
COSMOS 1900 was lifted into orbit during the mission ‘Tsiklon-2 | US-A 31’, on board a Tsiklon-2 space rocket.
The launch took place on Dec. 12, 1987, 5:40 a.m. from 90.
For more information about the launch, click the button.
Tsiklon-2 | US-A 31
Agency: N/A
Status: Launch Successful
Launch date: Dec. 12, 1987, 5:40 a.m. UTC
Rocket: Tsiklon-2
Launch pad: 90
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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