Key statistics
Satellite COSMOS 839 DEB at a glance.
Uptime
18012
Days in orbit
Revolutions
≈ 12.3
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
66.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 839 DEB.
Object identification
Identified? True
Debris? True
Object name: COSMOS 839 DEB
International designator: 1976-067E
Object number (NORAD): 10411
Object ID (CCSDS): 10411
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 117.149 minutes
Inclination: 66.0184 deg
SMA: 7930.856 km
Apoapsis: 2078.248 km
Periapsis: 1027.194 km
RAAN: 136.4698 deg
Eccentricy: 0.06626357
Argument of periapsis: 350.4056 deg
Mean anomaly: 106.6002 deg
Mean motion: 12.29200341 rev/day
Mean motion (dot): -0.00000006 rev/day2
B* drag term: 0.00019818414 1/REarth
Two-line elements (TLE)
Creation date: Oct. 30, 2025, 3:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 29, 2025, 8:48 p.m. UTC
TLE line 0: 0 COSMOS 839 DEB
TLE line 1: 1 10411U 76067E 25302.86670814 -.00000006 00000-0 19818-3 0 9992
TLE line 2: 2 10411 66.0184 136.4698 0662636 350.4056 106.6002 12.29200341212771
Live tracking on map
Real-time ground track for satellite COSMOS 839 DEB.
Associated space launch
ASAT target satellite
COSMOS 839 DEB was lifted into orbit during the mission ‘Kosmos-3M | DS-P1-M 9 (Kosmos-839)’, on board a Kosmos-3M space rocket.
The launch took place on July 8, 1976, 9:08 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | DS-P1-M 9 (Kosmos-839)
Agency: N/A
Status: Launch Successful
Launch date: July 8, 1976, 9:08 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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