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GALEX (27783)
COSPAR: 2003-017A | Alt Name: GALEX
Image
Additional Sources
Launch Details
Launch Date
April 28, 2003
Launch Site
Launch Pad
RW30/12
Launch Vehicle
Pegasus XL
Orbital Elements
NORAD ID
27783
International Designator
2003-017A
Epoch
Sat, 04 Jul 2026 06:20:27 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
29.00°
Right Ascension
30.85°
Eccentricity
Calculating...
Argument of Perigee
271.31°
Period
98.22 min
Mean Motion
14.66 rev/day
Latitude
Calculating...
Longitude
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Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
GALEX
Alternative Name
GALEX
Type
Payload
Status
Non-operational
Owner
GSFC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 27783U 03017A 26185.26420979 .00000806 00000-0 12443-3 0 9990
2 27783 28.9982 30.8492 0003375 271.3150 88.7052 14.66079206239724
Source: Celestrak
Summary
GALEX, also known as 2003-017A, is a US satellite with a NORAD catalog ID of 27783. Launched on April 28, 2003, from Vandenberg Air Force Base (AFETR), it was deployed by a Pegasus XL launch vehicle from the RW30/12 pad. The spacecraft, manufactured by OSCD and owned by GSFC, measures 2 meters in length with a diameter of 1.1 meters and has a span of 2.8 meters. GALEX has a dry mass of 280 kg and is configured as LEOStar-2. It carries a 50 cm Modified Ritchey-Chretien Telescope for astronomy and UV mission purposes, powered by deployable fixed solar arrays and batteries. The satellite's shape consists of a box with two panels and it was launched at the same mass of 280 kg.
Physical Characteristics
Length
2
Diameter
1.1
Span
2.8
Dry Mass
280
Launch Mass
280
Shape
Box + 2 Pan
Radar Cross Section
1.1606
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
GALEX
Purpose
Astronomy, UV
Mission
Astronomy, UV
Manufacturer
OSCD
Life Expectancy
Unknown
Bus
Leostar-2
Configuration
LEOStar-2
Motor
?
Equipment
50 cm Modified Ritchey-Chretien Telescope
Power System
Deployable fixed solar array, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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