Key statistics
Satellite SL-3 R/B at a glance.
Uptime
16122
Days in orbit
Revolutions
≈ 15.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
81.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-3 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-3 R/B
International designator: 1981-046B
Object number (NORAD): 12465
Object ID (CCSDS): 12465
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 93.772 minutes
Inclination: 81.2325 deg
SMA: 6837.134 km
Apoapsis: 474.698 km
Periapsis: 443.3 km
RAAN: 220.9622 deg
Eccentricy: 0.0022961
Argument of periapsis: 144.2523 deg
Mean anomaly: 216.0259 deg
Mean motion: 15.35647771 rev/day
Mean motion (dot): 0.000058 rev/day2
B* drag term: 0.00016512 1/REarth
Two-line elements (TLE)
Creation date: July 9, 2025, 2:22 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 8:03 p.m. UTC
TLE line 0: 0 SL-3 R/B
TLE line 1: 1 12465U 81046B 25189.83580582 .00005800 00000-0 16512-3 0 9992
TLE line 2: 2 12465 81.2325 220.9622 0022961 144.2523 216.0259 15.35647771400932
Live tracking on map
Real-time ground track for satellite SL-3 R/B.
Associated space launch
Tselina-D satellites provided detailed observation of radio sources detected by the smaller Tselina-O satellites as part of the Tselina ELINT system.
SL-3 R/B was lifted into orbit during the mission ‘Vostok 8A92M | Tselina-D 29’, on board a Vostok 8A92M space rocket.
The launch took place on May 19, 1981, 3:49 a.m. from 43/3 (43L).
For more information about the launch, click the button.
Vostok 8A92M | Tselina-D 29
Agency: N/A
Status: Launch Successful
Launch date: May 19, 1981, 3:49 a.m. UTC
Rocket: Vostok 8A92M
Launch pad: 43/3 (43L)
Location: Plesetsk Cosmodrome, Russian Federation
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