Key statistics
Satellite SL-8 R/B at a glance.
Uptime
13444
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-8 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-8 R/B
International designator: 1989-017B
Object number (NORAD): 19827
Object ID (CCSDS): 19827
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.776 minutes
Inclination: 82.9517 deg
SMA: 7362.072 km
Apoapsis: 1006.19 km
Periapsis: 961.685 km
RAAN: 29.0763 deg
Eccentricy: 0.00302261
Argument of periapsis: 293.5051 deg
Mean anomaly: 187.054 deg
Mean motion: 13.74366808 rev/day
Mean motion (dot): 0.00000118 rev/day2
B* drag term: 0.00010905093 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, 4:15 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 19827U 89017B 25347.67746987 .00000118 00000-0 10905-3 0 9995
TLE line 2: 2 19827 82.9517 29.0763 0030226 293.5051 187.0540 13.74366808845453
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-8 R/B.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Parus 64’, on board a Kosmos-3M space rocket.
The launch took place on Feb. 22, 1989, 3:28 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Parus 64
Agency: N/A
Status: Launch Successful
Launch date: Feb. 22, 1989, 3:28 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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