Key statistics
Satellite COSMOS 381 at a glance.
Uptime
20047
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 381.
Object identification
Identified? True
Debris? False
Object name: COSMOS 381
International designator: 1970-102A
Object number (NORAD): 4783
Object ID (CCSDS): 4783
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.726 minutes
Inclination: 74.0338 deg
SMA: 7359.747 km
Apoapsis: 1003.525 km
Periapsis: 959.7 km
RAAN: 50.4411 deg
Eccentricy: 0.00297733
Argument of periapsis: 123.414 deg
Mean anomaly: 236.9834 deg
Mean motion: 13.75018068 rev/day
Mean motion (dot): 0.00000047 rev/day2
B* drag term: 0.000072331986 1/REarth
Two-line elements (TLE)
Creation date: Oct. 20, 2025, 2:10 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 19, 2025, 5:46 p.m. UTC
TLE line 0: 0 COSMOS 381
TLE line 1: 1 04783U 70102A 25292.74056789 .00000047 00000-0 72332-4 0 9990
TLE line 2: 2 04783 74.0338 50.4411 0029773 123.4140 236.9834 13.75018068753107
Live tracking on map
Real-time ground track for satellite COSMOS 381.
Associated space launch
Ionospheric topside sounder
COSMOS 381 was lifted into orbit during the mission ‘Kosmos-3M | Ionosfernaya Stantsiya 2’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 2, 1970, 4 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Ionosfernaya Stantsiya 2
Agency: N/A
Status: Launch Successful
Launch date: Dec. 2, 1970, 4 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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