Key statistics
Satellite COSMOS 1635 at a glance.
Uptime
14718
Days in orbit
Revolutions
≈ 12.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1635.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1635
International designator: 1985-023A
Object number (NORAD): 15617
Object ID (CCSDS): 15617
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.825 minutes
Inclination: 74.0571 deg
SMA: 7870.986 km
Apoapsis: 1512.307 km
Periapsis: 1473.396 km
RAAN: 349.9924 deg
Eccentricy: 0.0024718
Argument of periapsis: 312.0274 deg
Mean anomaly: 113.8555 deg
Mean motion: 12.43251596 rev/day
Mean motion (dot): -0.0000001 rev/day2
B* drag term: 0.000039573 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 1:55 p.m. UTC
TLE line 0: 0 COSMOS 1635
TLE line 1: 1 15617U 85023A 25187.58040642 -.00000010 00000-0 39573-4 0 9993
TLE line 2: 2 15617 74.0571 349.9924 0024718 312.0274 113.8555 12.43251596828764
Live tracking on map
Real-time ground track for satellite COSMOS 1635.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 1635.
Associated space launch
Military communications satellites
COSMOS 1635 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 289-296’, on board a Kosmos-3M space rocket.
The launch took place on March 21, 1985, 12:08 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 289-296
Agency: N/A
Status: Launch Successful
Launch date: March 21, 1985, 12:08 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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