Key statistics
Satellite COSMOS 1900 at a glance.
Uptime
13722
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: 98.937 minutes
Inclination: 66.0841 deg
SMA: 7085.952 km
Apoapsis: 738.757 km
Periapsis: 676.876 km
RAAN: 271.8819 deg
Eccentricy: 0.0043665
Argument of periapsis: 302.1702 deg
Mean anomaly: 57.5171 deg
Mean motion: 14.55477461 rev/day
Mean motion (dot): 0.0000001 rev/day2
B* drag term: 0.00002608 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 10:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 3:53 p.m. UTC
TLE line 0: 0 COSMOS 1900
TLE line 1: 1 18665U 87101A 25187.66217539 .00000010 00000-0 26080-4 0 9996
TLE line 2: 2 18665 66.0841 271.8819 0043665 302.1702 57.5171 14.55477461998217
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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