Key statistics
Satellite COSMOS 381 at a glance.
Uptime
20100
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: 104.725 minutes
Inclination: 74.0331 deg
SMA: 7359.719 km
Apoapsis: 1003.792 km
Periapsis: 959.375 km
RAAN: 321.5832 deg
Eccentricy: 0.00301764
Argument of periapsis: 19.9078 deg
Mean anomaly: 340.3212 deg
Mean motion: 13.75026144 rev/day
Mean motion (dot): 0.00000066 rev/day2
B* drag term: 0.00009178902 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, 6:53 a.m. UTC
TLE line 0: 0 COSMOS 381
TLE line 1: 1 04783U 70102A 25346.28726449 .00000066 00000-0 91789-4 0 9994
TLE line 2: 2 04783 74.0331 321.5832 0030176 19.9078 340.3212 13.75026144760468
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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