Key statistics
Satellite COSMOS 381 at a glance.
Uptime
19997
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: 74.0329 deg
SMA: 7359.772 km
Apoapsis: 1004.586 km
Periapsis: 958.688 km
RAAN: 131.4597 deg
Eccentricy: 0.00311815
Argument of periapsis: 215.6542 deg
Mean anomaly: 144.2495 deg
Mean motion: 13.75011126 rev/day
Mean motion (dot): 0.00000033 rev/day2
B* drag term: 0.000057820842 1/REarth
Two-line elements (TLE)
Creation date: Sept. 1, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 31, 2025, 10:08 p.m. UTC
TLE line 0: 0 COSMOS 381
TLE line 1: 1 04783U 70102A 25243.92245818 .00000033 00000-0 57821-4 0 9990
TLE line 2: 2 04783 74.0329 131.4597 0031182 215.6542 144.2495 13.75011126746394
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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