Key statistics
Satellite SL-8 DEB at a glance.
Uptime
17371
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: 97.332 minutes
Inclination: 74.0171 deg
SMA: 7009.112 km
Apoapsis: 637.444 km
Periapsis: 624.509 km
RAAN: 51.3381 deg
Eccentricy: 0.0009227
Argument of periapsis: 170.7918 deg
Mean anomaly: 189.3429 deg
Mean motion: 14.7947724 rev/day
Mean motion (dot): 0.00002714 rev/day2
B* drag term: 0.00036751 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 10:17 p.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 10525U 77119D 25188.92864334 .00002714 00000-0 36751-3 0 9990
TLE line 2: 2 10525 74.0171 51.3381 0009227 170.7918 189.3429 14.79477240513111
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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