Key statistics
Satellite PEGASUS R/B at a glance.
Uptime
8713
Days in orbit
Revolutions
≈ 15.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
38.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for PEGASUS R/B.
Object identification
Identified? True
Debris? False
Object name: PEGASUS R/B
International designator: 2002-004B
Object number (NORAD): 27371
Object ID (CCSDS): 27371
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 93.115 minutes
Inclination: 38.0179 deg
SMA: 6805.173 km
Apoapsis: 430.452 km
Periapsis: 423.625 km
RAAN: 256.2233 deg
Eccentricy: 0.00050158
Argument of periapsis: 230.4764 deg
Mean anomaly: 129.5568 deg
Mean motion: 15.46478784 rev/day
Mean motion (dot): 0.00038932 rev/day2
B* drag term: 0.00076272523 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 10:36 a.m. UTC
TLE line 0: 0 PEGASUS R/B
TLE line 1: 1 27371U 02004B 25347.44171484 .00038932 00000-0 76273-3 0 9993
TLE line 2: 2 27371 38.0179 256.2233 0005016 230.4764 129.5568 15.46478784312681
Live tracking on map
Real-time ground track for satellite PEGASUS R/B.
Associated space launch
PEGASUS R/B was lifted into orbit during the mission ‘Pegasus XL | Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI)’, on board a Pegasus XL space rocket.
The launch took place on Feb. 5, 2002, 8:58 p.m. from Cape Canaveral.
For more information about the launch, click the button.
Pegasus XL | Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI)
Agency: N/A
Status: Launch Successful
Launch date: Feb. 5, 2002, 8:58 p.m. UTC
Rocket: Pegasus XL
Launch pad: Cape Canaveral
Location: Air launch to orbit
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