Key statistics
Satellite SL-3 R/B at a glance.
Uptime
13565
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-3 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-3 R/B
International designator: 1988-021B
Object number (NORAD): 18961
Object ID (CCSDS): 18961
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.803 minutes
Inclination: 98.935 deg
SMA: 7269.394 km
Apoapsis: 930.106 km
Periapsis: 852.411 km
RAAN: 187.4687 deg
Eccentricy: 0.005344
Argument of periapsis: 218.2607 deg
Mean anomaly: 250.6802 deg
Mean motion: 14.00733423 rev/day
Mean motion (dot): -0.00000249 rev/day2
B* drag term: -0.00013642 1/REarth
Two-line elements (TLE)
Creation date: May 7, 2025, 3:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 6, 2025, 7:03 p.m. UTC
TLE line 0: 0 SL-3 R/B
TLE line 1: 1 18961U 88021B 25126.79412847 -.00000249 00000-0 -13642-3 0 9998
TLE line 2: 2 18961 98.9350 187.4687 0053440 218.2607 250.6802 14.00733423898683
Live tracking on map
Real-time ground track for satellite SL-3 R/B.
Associated space launch
Indian remote sensing satellite
SL-3 R/B was lifted into orbit during the mission ‘Vostok 8A92M | IRS-1A’, on board a Vostok 8A92M space rocket.
The launch took place on March 17, 1988, 6:43 a.m. from 31/6.
For more information about the launch, click the button.
Vostok 8A92M | IRS-1A
Agency: N/A
Status: Launch Successful
Launch date: March 17, 1988, 6:43 a.m. UTC
Rocket: Vostok 8A92M
Launch pad: 31/6
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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