Key statistics
Satellite COSMOS 381 at a glance.
Uptime
19941
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: 104.727 minutes
Inclination: 74.0307 deg
SMA: 7359.79 km
Apoapsis: 1004.738 km
Periapsis: 958.573 km
RAAN: 225.0212 deg
Eccentricy: 0.0031363
Argument of periapsis: 318.9085 deg
Mean anomaly: 40.9673 deg
Mean motion: 13.75006059 rev/day
Mean motion (dot): 0.00000023 rev/day2
B* drag term: 0.000047964 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 12:54 p.m. UTC
TLE line 0: 0 COSMOS 381
TLE line 1: 1 04783U 70102A 25187.53777380 .00000023 00000-0 47964-4 0 9994
TLE line 2: 2 04783 74.0307 225.0212 0031363 318.9085 40.9673 13.75006059738642
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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