Key statistics
Satellite SL-12 DEB at a glance.
Uptime
14808
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
66.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-12 DEB.
Object identification
Identified? True
Debris? True
Object name: SL-12 DEB
International designator: 1985-042J
Object number (NORAD): 18766
Object ID (CCSDS): 18766
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.749 minutes
Inclination: 66.5618 deg
SMA: 7124.707 km
Apoapsis: 778.242 km
Periapsis: 714.901 km
RAAN: 166.5286 deg
Eccentricy: 0.00444514
Argument of periapsis: 345.0949 deg
Mean anomaly: 81.2025 deg
Mean motion: 14.43618005 rev/day
Mean motion (dot): 0.00004892 rev/day2
B* drag term: 0.0014482507 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 3:01 p.m. UTC
TLE line 0: 0 SL-12 DEB
TLE line 1: 1 18766U 85042J 25347.62597878 .00004892 00000-0 14483-2 0 9995
TLE line 2: 2 18766 66.5618 166.5286 0044451 345.0949 81.2025 14.43618005963084
Live tracking on map
Real-time ground track for satellite SL-12 DEB.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-12 DEB.
Associated space launch
Second generation ELING satellite
SL-12 DEB was lifted into orbit during the mission ‘Proton | Tselina-2 2’, on board a Proton space rocket.
The launch took place on May 30, 1985, 2:59 p.m. from 200/40.
For more information about the launch, click the button.
Proton | Tselina-2 2
Agency: N/A
Status: Launch Successful
Launch date: May 30, 1985, 2:59 p.m. UTC
Rocket: Proton
Launch pad: 200/40
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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