Key statistics
Satellite SL-8 R/B at a glance.
Uptime
8426
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.9
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: 2002-046B
Object number (NORAD): 27535
Object ID (CCSDS): 27535
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.753 minutes
Inclination: 82.9293 deg
SMA: 7361.005 km
Apoapsis: 1009.356 km
Periapsis: 956.385 km
RAAN: 127.6712 deg
Eccentricy: 0.00359802
Argument of periapsis: 208.9113 deg
Mean anomaly: 261.6607 deg
Mean motion: 13.74665553 rev/day
Mean motion (dot): 0.00000112 rev/day2
B* drag term: 0.00010200238 1/REarth
Two-line elements (TLE)
Creation date: Oct. 21, 2025, 3:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 20, 2025, 11:55 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 27535U 02046B 25293.99657303 .00000112 00000-0 10200-3 0 9997
TLE line 2: 2 27535 82.9293 127.6712 0035980 208.9113 261.6607 13.74665553156995
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
Nadezhda 7, also called Nadezhda -M, was a Russian navigational satellite. It was to participate in the international search and rescue (SAR) network known as COSPAS-SARSAT, for ships at sea.
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Nadezhda-M’, on board a Kosmos-3M space rocket.
The launch took place on Sept. 26, 2002, 2:27 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Nadezhda-M
Agency: N/A
Status: Launch Successful
Launch date: Sept. 26, 2002, 2:27 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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