Key statistics
Satellite COSMOS 2135 at a glance.
Uptime
12709
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 2135.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2135
International designator: 1991-013A
Object number (NORAD): 21130
Object ID (CCSDS): 21130
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.44 minutes
Inclination: 82.8282 deg
SMA: 7346.348 km
Apoapsis: 1016.6 km
Periapsis: 919.827 km
RAAN: 358.3787 deg
Eccentricy: 0.00658652
Argument of periapsis: 7.1136 deg
Mean anomaly: 353.094 deg
Mean motion: 13.78781616 rev/day
Mean motion (dot): 0.00000089 rev/day2
B* drag term: 0.000071688875 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 3:34 a.m. UTC
TLE line 0: 0 COSMOS 2135
TLE line 1: 1 21130U 91013A 25346.14925755 .00000089 00000-0 71689-4 0 9991
TLE line 2: 2 21130 82.8282 358.3787 0065865 7.1136 353.0940 13.78781616750248
Live tracking on map
Real-time ground track for satellite COSMOS 2135.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 2135.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
COSMOS 2135 was lifted into orbit during the mission ‘Kosmos-3M | Parus 71’, on board a Kosmos-3M space rocket.
The launch took place on Feb. 26, 1991, 4:53 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Parus 71
Agency: N/A
Status: Launch Successful
Launch date: Feb. 26, 1991, 4:53 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
...
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