Key statistics
Satellite PEGASUS R/B at a glance.
Uptime
11761
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
69.9
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: 1993-026B
Object number (NORAD): 22639
Object ID (CCSDS): 22639
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.502 minutes
Inclination: 69.92 deg
SMA: 7160.508 km
Apoapsis: 829.399 km
Periapsis: 735.346 km
RAAN: 50.3167 deg
Eccentricy: 0.0065675
Argument of periapsis: 305.0091 deg
Mean anomaly: 54.488 deg
Mean motion: 14.32804784 rev/day
Mean motion (dot): 0.00000077 rev/day2
B* drag term: 0.000048643 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 3:15 p.m. UTC
TLE line 0: 0 PEGASUS R/B
TLE line 1: 1 22639U 93026B 25187.63573527 .00000077 00000-0 48643-4 0 9996
TLE line 2: 2 22639 69.9200 50.3167 0065675 305.0091 54.4880 14.32804784 59890
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 | Array of Low Energy X-ray Imaging Sensors (ALEXIS)’, on board a Pegasus space rocket.
The launch took place on April 25, 1993, 1:56 p.m. from Edwards Air Force Base.
For more information about the launch, click the button.
Pegasus | Array of Low Energy X-ray Imaging Sensors (ALEXIS)
Agency: N/A
Status: Launch Successful
Launch date: April 25, 1993, 1:56 p.m. UTC
Rocket: Pegasus
Launch pad: Edwards Air Force Base
Location: Air launch to orbit
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