Key statistics
Satellite COSMOS 1640 at a glance.
Uptime
14877
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1640.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1640
International designator: 1985-023F
Object number (NORAD): 15622
Object ID (CCSDS): 15622
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.939 minutes
Inclination: 74.0529 deg
SMA: 7830.787 km
Apoapsis: 1479.65 km
Periapsis: 1425.653 km
RAAN: 150.3618 deg
Eccentricy: 0.00344779
Argument of periapsis: 275.1196 deg
Mean anomaly: 195.0237 deg
Mean motion: 12.52837331 rev/day
Mean motion (dot): 0.00000004 rev/day2
B* drag term: 0.00012431106 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, 5:13 a.m. UTC
TLE line 0: 0 COSMOS 1640
TLE line 1: 1 15622U 85023F 25346.21737455 .00000004 00000-0 12431-3 0 9996
TLE line 2: 2 15622 74.0529 150.3618 0034478 275.1196 195.0237 12.52837331862903
Live tracking on map
Real-time ground track for satellite COSMOS 1640.
Associated space launch
Military communications satellites
COSMOS 1640 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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