Key statistics
Satellite SL-8 R/B at a glance.
Uptime
13584
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
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: 1988-053B
Object number (NORAD): 19257
Object ID (CCSDS): 19257
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.086 minutes
Inclination: 74.0465 deg
SMA: 7140.735 km
Apoapsis: 777.28 km
Periapsis: 747.92 km
RAAN: 105.7965 deg
Eccentricy: 0.00205582
Argument of periapsis: 331.2646 deg
Mean anomaly: 131.6706 deg
Mean motion: 14.38760111 rev/day
Mean motion (dot): 0.000003 rev/day2
B* drag term: 0.00010603809 1/REarth
Two-line elements (TLE)
Creation date: Aug. 30, 2025, 3:38 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 29, 2025, 11:24 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 19257U 88053B 25241.97526758 .00000300 00000-0 10604-3 0 9998
TLE line 2: 2 19257 74.0465 105.7965 0020558 331.2646 131.6706 14.38760111949020
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
Military communications satellite
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 45’, on board a Kosmos-3M space rocket.
The launch took place on June 21, 1988, 4:26 p.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 45
Agency: N/A
Status: Launch Successful
Launch date: June 21, 1988, 4:26 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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