Key statistics
Satellite PEGASUS R/B at a glance.
Uptime
10116
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
70.0
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: 1997-047B
Object number (NORAD): 24921
Object ID (CCSDS): 24921
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.953 minutes
Inclination: 69.9716 deg
SMA: 7181.917 km
Apoapsis: 816.778 km
Periapsis: 790.786 km
RAAN: 239.8851 deg
Eccentricy: 0.0018096
Argument of periapsis: 85.921 deg
Mean anomaly: 22.1735 deg
Mean motion: 14.26402847 rev/day
Mean motion (dot): 0.0000013 rev/day2
B* drag term: 0.000077587 1/REarth
Two-line elements (TLE)
Creation date: May 10, 2025, 2:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 9, 2025, 5:30 p.m. UTC
TLE line 0: 0 PEGASUS R/B
TLE line 1: 1 24921U 97047B 25129.72980257 .00000130 00000-0 77587-4 0 9996
TLE line 2: 2 24921 69.9716 239.8851 0018096 85.9210 22.1735 14.26402847440740
Live tracking on map
Real-time ground track for satellite PEGASUS R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object PEGASUS R/B.
Associated space launch
PEGASUS R/B was lifted into orbit during the mission ‘Pegasus XL | Fast On-orbit Rapid Recording of Transient Events (FORTE)’, on board a Pegasus XL space rocket.
The launch took place on Aug. 29, 1997, 3:02 p.m. from Space Launch Complex 10E.
For more information about the launch, click the button.

Pegasus XL | Fast On-orbit Rapid Recording of Transient Events (FORTE)
Agency: N/A
Status: Launch Successful
Launch date: Aug. 29, 1997, 3:02 p.m. UTC
Rocket: Pegasus XL
Launch pad: Space Launch Complex 10E
Location: Vandenberg SFB, CA, USA
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