Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14991
Days in orbit
Revolutions
≈ 13.8
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: 1984-062B
Object number (NORAD): 15056
Object ID (CCSDS): 15056
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.606 minutes
Inclination: 82.9573 deg
SMA: 7354.129 km
Apoapsis: 995.102 km
Periapsis: 956.885 km
RAAN: 297.836 deg
Eccentricy: 0.0025983
Argument of periapsis: 141.7853 deg
Mean anomaly: 338.0001 deg
Mean motion: 13.7659417 rev/day
Mean motion (dot): 0.00000036 rev/day2
B* drag term: 0.000021331 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 10:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 8:45 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 15056U 84062B 25187.86466818 .00000036 00000-0 21331-4 0 9990
TLE line 2: 2 15056 82.9573 297.8360 0025983 141.7853 338.0001 13.76594170 61032
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
Civilian navigation satellite equivalent to the purely military Parus
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Nadezhda 3’, on board a Kosmos-3M space rocket.
The launch took place on June 21, 1984, 7:40 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Nadezhda 3
Agency: N/A
Status: Launch Successful
Launch date: June 21, 1984, 7:40 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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