Key statistics
Satellite SL-8 DEB at a glance.
Uptime
17482
Days in orbit
Revolutions
≈ 14.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-8 DEB.
Object identification
Identified? True
Debris? True
Object name: SL-8 DEB
International designator: 1977-119D
Object number (NORAD): 10525
Object ID (CCSDS): 10525
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 97.246 minutes
Inclination: 74.0163 deg
SMA: 7004.978 km
Apoapsis: 633.147 km
Periapsis: 620.538 km
RAAN: 192.314 deg
Eccentricy: 0.00090002
Argument of periapsis: 270.8766 deg
Mean anomaly: 89.138 deg
Mean motion: 14.8078705 rev/day
Mean motion (dot): 0.00006009 rev/day2
B* drag term: 0.00078277012 1/REarth
Two-line elements (TLE)
Creation date: Oct. 27, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 26, 2025, 11:42 p.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 10525U 77119D 25299.98779700 .00006009 00000-0 78277-3 0 9991
TLE line 2: 2 10525 74.0163 192.3140 0009000 270.8766 89.1380 14.80787050529545
Live tracking on map
Real-time ground track for satellite SL-8 DEB.
Associated space launch
Military communications satellite
SL-8 DEB was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 16’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 16, 1977, 4:25 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 16
Agency: N/A
Status: Launch Successful
Launch date: Dec. 16, 1977, 4:25 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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