Key statistics
Satellite COSMOS 839 DEB at a glance.
Uptime
17960
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: 117.15 minutes
Inclination: 66.0189 deg
SMA: 7930.879 km
Apoapsis: 2076.064 km
Periapsis: 1029.424 km
RAAN: 234.536 deg
Eccentricy: 0.06598514
Argument of periapsis: 11.4513 deg
Mean anomaly: 138.316 deg
Mean motion: 12.29195052 rev/day
Mean motion (dot): -0.00000039 rev/day2
B* drag term: 0.000057669339 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 6:18 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 9:02 a.m. UTC
TLE line 0: 0 COSMOS 839 DEB
TLE line 1: 1 10411U 76067E 25251.37684507 -.00000039 00000-0 57669-4 0 9998
TLE line 2: 2 10411 66.0189 234.5360 0659851 11.4513 138.3160 12.29195052206445
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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