Key statistics
Satellite GALEX at a glance.
Uptime
8106
Days in orbit
Revolutions
≈ 14.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
29.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for GALEX.
Object identification
Identified? True
Debris? False
Object name: GALEX
International designator: 2003-017A
Object number (NORAD): 27783
Object ID (CCSDS): 27783
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 98.264 minutes
Inclination: 28.9969 deg
SMA: 7053.79 km
Apoapsis: 678.006 km
Periapsis: 673.305 km
RAAN: 102.2827 deg
Eccentricy: 0.0003332
Argument of periapsis: 267.085 deg
Mean anomaly: 92.9357 deg
Mean motion: 14.65443023 rev/day
Mean motion (dot): 0.00000625 rev/day2
B* drag term: 0.000093519 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, 2:45 a.m. UTC
TLE line 0: 0 GALEX
TLE line 1: 1 27783U 03017A 25187.11490788 .00000625 00000-0 93519-4 0 9993
TLE line 2: 2 27783 28.9969 102.2827 0003332 267.0850 92.9357 14.65443023186397
Live tracking on map
Real-time ground track for satellite GALEX.
In-orbit conjunctions
A list of the most updated potential collisions computed for object GALEX.
Associated space launch
GALEX was lifted into orbit during the mission ‘Pegasus XL | Galaxy Evolution Explorer (GALEX)’, on board a Pegasus XL space rocket.
The launch took place on April 28, 2003, 11:59 a.m. from Cape Canaveral.
For more information about the launch, click the button.
Pegasus XL | Galaxy Evolution Explorer (GALEX)
Agency: N/A
Status: Launch Successful
Launch date: April 28, 2003, 11:59 a.m. UTC
Rocket: Pegasus XL
Launch pad: Cape Canaveral
Location: Air launch to orbit
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