Key statistics
Satellite SL-8 DEB * at a glance.
Uptime
17433
Days in orbit
Revolutions
≈ 15.0
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: 1977-119E
Object number (NORAD): 18512
Object ID (CCSDS): 18512
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 96.187 minutes
Inclination: 74.0241 deg
SMA: 6954.035 km
Apoapsis: 577.787 km
Periapsis: 574.014 km
RAAN: 49.8016 deg
Eccentricy: 0.00027125
Argument of periapsis: 278.3456 deg
Mean anomaly: 204.8968 deg
Mean motion: 14.97088347 rev/day
Mean motion (dot): 0.00010533 rev/day2
B* drag term: 0.00091501213 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 9:33 p.m. UTC
TLE line 0: 0 SL-8 DEB *
TLE line 1: 1 18512U 77119E 25250.89843223 .00010533 00000-0 91501-3 0 9996
TLE line 2: 2 18512 74.0241 49.8016 0002713 278.3456 204.8968 14.97088347166105
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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