Key statistics
Satellite COSMOS 1642 at a glance.
Uptime
14827
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1642.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1642
International designator: 1985-023H
Object number (NORAD): 15624
Object ID (CCSDS): 15624
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.614 minutes
Inclination: 74.0536 deg
SMA: 7816.024 km
Apoapsis: 1477.761 km
Periapsis: 1398.018 km
RAAN: 84.7924 deg
Eccentricy: 0.00510128
Argument of periapsis: 189.9931 deg
Mean anomaly: 241.4674 deg
Mean motion: 12.56388357 rev/day
Mean motion (dot): -0.00000026 rev/day2
B* drag term: -0.000057646293 1/REarth
Two-line elements (TLE)
Creation date: Oct. 24, 2025, 2:48 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 23, 2025, 8:07 p.m. UTC
TLE line 0: 0 COSMOS 1642
TLE line 1: 1 15624U 85023H 25296.83828830 -.00000026 00000-0 -57646-4 0 9992
TLE line 2: 2 15624 74.0536 84.7924 0051013 189.9931 241.4674 12.56388357861785
Live tracking on map
Real-time ground track for satellite COSMOS 1642.
Associated space launch
Military communications satellites
COSMOS 1642 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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