Key statistics
Satellite SL-8 R/B at a glance.
Uptime
15054
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: 104.605 minutes
Inclination: 82.9519 deg
SMA: 7354.101 km
Apoapsis: 993.812 km
Periapsis: 958.12 km
RAAN: 251.0625 deg
Eccentricy: 0.00242666
Argument of periapsis: 330.5463 deg
Mean anomaly: 92.4975 deg
Mean motion: 13.76602012 rev/day
Mean motion (dot): 0.00000076 rev/day2
B* drag term: 0.000062246047 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 10:37 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 15056U 84062B 25250.94281089 .00000076 00000-0 62246-4 0 9999
TLE line 2: 2 15056 82.9519 251.0625 0024267 330.5463 92.4975 13.76602012 69514
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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