Key statistics
Satellite SL-12 DEB at a glance.
Uptime
13239
Days in orbit
Revolutions
≈ 4.3
Per day
Orbit
HEO
HEO
Inclination
65.3
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: 1989-039AK
Object number (NORAD): 29328
Object ID (CCSDS): 29328
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 335.61 minutes
Inclination: 65.2859 deg
SMA: 15997.413 km
Apoapsis: 18461.11 km
Periapsis: 777.447 km
RAAN: 295.774 deg
Eccentricy: 0.5527038
Argument of periapsis: 112.1288 deg
Mean anomaly: 359.096 deg
Mean motion: 4.29069957 rev/day
Mean motion (dot): -0.00000019 rev/day2
B* drag term: 0.000094716525 1/REarth
Two-line elements (TLE)
Creation date: Aug. 27, 2025, 8:01 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 27, 2025, 11:53 a.m. UTC
TLE line 0: 0 SL-12 DEB
TLE line 1: 1 29328U 89039AK 25239.49520367 -.00000019 00000-0 94717-4 0 9993
TLE line 2: 2 29328 65.2859 295.7740 5527038 112.1288 359.0960 4.29069957298358
Live tracking on map
Real-time ground track for satellite SL-12 DEB.
In-orbit conjunctions
There are no conjunctions computed for SL-12 DEB, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
GLONASS navigation satellites
SL-12 DEB was lifted into orbit during the mission ‘Proton | Uragan 34 & 35’, on board a Proton space rocket.
The launch took place on May 31, 1989, 8:31 a.m. from 200/40.
For more information about the launch, click the button.

Proton | Uragan 34 & 35
Agency: N/A
Status: Launch Successful
Launch date: May 31, 1989, 8:31 a.m. UTC
Rocket: Proton
Launch pad: 200/40
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
Latest news about this satellite
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