Key statistics
Satellite SL-3 R/B at a glance.
Uptime
17101
Days in orbit
Revolutions
≈ 14.1
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: 1978-121B
Object number (NORAD): 11166
Object ID (CCSDS): 11166
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.823 minutes
Inclination: 81.2369 deg
SMA: 7223.11 km
Apoapsis: 892.016 km
Periapsis: 797.935 km
RAAN: 79.6319 deg
Eccentricy: 0.00651252
Argument of periapsis: 236.1126 deg
Mean anomaly: 123.3842 deg
Mean motion: 14.14218133 rev/day
Mean motion (dot): 0.00000204 rev/day2
B* drag term: 0.000098677539 1/REarth
Two-line elements (TLE)
Creation date: Oct. 16, 2025, 6:34 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 16, 2025, 3:53 p.m. UTC
TLE line 0: 0 SL-3 R/B
TLE line 1: 1 11166U 78121B 25289.66231267 .00000204 00000-0 98678-4 0 9991
TLE line 2: 2 11166 81.2369 79.6319 0065125 236.1126 123.3842 14.14218133413796
Live tracking on map
Real-time ground track for satellite SL-3 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-3 R/B.
Associated space launch
Astrophysics (not confirmed) satellite
SL-3 R/B was lifted into orbit during the mission ‘Vostok 8A92M | Astrofizika’, on board a Vostok 8A92M space rocket.
The launch took place on Dec. 23, 1978, 8:39 a.m. from 43/3 (43L).
For more information about the launch, click the button.
Vostok 8A92M | Astrofizika
Agency: N/A
Status: Launch Successful
Launch date: Dec. 23, 1978, 8:39 a.m. UTC
Rocket: Vostok 8A92M
Launch pad: 43/3 (43L)
Location: Plesetsk Cosmodrome, Russian Federation
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