Key statistics
Satellite SL-8 DEB at a glance.
Uptime
15974
Days in orbit
Revolutions
≈ 12.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
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: 1981-120K
Object number (NORAD): 27738
Object ID (CCSDS): 27738
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 118.448 minutes
Inclination: 82.9543 deg
SMA: 7989.349 km
Apoapsis: 1656.678 km
Periapsis: 1565.75 km
RAAN: 65.235 deg
Eccentricy: 0.00569057
Argument of periapsis: 164.534 deg
Mean anomaly: 216.2382 deg
Mean motion: 12.15725925 rev/day
Mean motion (dot): 0.0000005 rev/day2
B* drag term: 0.00040661321 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 4:47 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 6:44 p.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 27738U 81120K 25251.78088036 .00000050 00000-0 40661-3 0 9999
TLE line 2: 2 27738 82.9543 65.2350 0056906 164.5340 216.2382 12.15725925557549
Live tracking on map
Real-time ground track for satellite SL-8 DEB.
Associated space launch
6 Soviet amateur radio satellites
SL-8 DEB was lifted into orbit during the mission ‘Kosmos-3M | Radio Sputnik 3 to 8’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 17, 1981, 11 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Radio Sputnik 3 to 8
Agency: N/A
Status: Launch Successful
Launch date: Dec. 17, 1981, 11 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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