Key statistics
Satellite COSMOS 839 DEB at a glance.
Uptime
18061
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: 66.0231 deg
SMA: 7930.835 km
Apoapsis: 2079.88 km
Periapsis: 1025.52 km
RAAN: 41.7897 deg
Eccentricy: 0.06647223
Argument of periapsis: 330.0528 deg
Mean anomaly: 96.2289 deg
Mean motion: 12.29205239 rev/day
Mean motion (dot): 0.00000024 rev/day2
B* drag term: 0.0003239164 1/REarth
Two-line elements (TLE)
Creation date: Dec. 18, 2025, 8:02 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 18, 2025, 1:42 p.m. UTC
TLE line 0: 0 COSMOS 839 DEB
TLE line 1: 1 10411U 76067E 25352.57141385 .00000024 00000-0 32392-3 0 9992
TLE line 2: 2 10411 66.0231 41.7897 0664722 330.0528 96.2289 12.29205239218889
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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