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GEOS-1 (09931)
COSPAR: 1977-029A | Alt Name: Geos 1
Image
Additional Sources
Launch Details
Launch Date
April 20, 1977
Launch Site
Launch Pad
LC17B
Launch Vehicle
Delta 2914
Orbital Elements
NORAD ID
09931
International Designator
1977-029A
Epoch
Fri, 03 Jul 2026 09:13:41 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
27.46°
Right Ascension
36.26°
Eccentricity
Calculating...
Argument of Perigee
319.64°
Period
734.03 min
Mean Motion
1.96 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
GEOS-1
Alternative Name
Geos 1
Type
Payload
Status
Non-operational
Owner
ESA
Country
European Space Agency
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 09931U 77029A 26184.38451112 -.00000131 00000-0 00000-0 0 9999
2 09931 27.4650 36.2554 6601490 319.6365 6.5622 1.96177780352177
Source: Celestrak
Summary
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Physical Characteristics
Length
1.3
Diameter
1.6
Span
40
Dry Mass
237
Launch Mass
267
Shape
Cyl + 2 Ant
Radar Cross Section
4.3042
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Geos 1
Purpose
Research
Mission
Research
Manufacturer
BAEF
Life Expectancy
Unknown
Bus
ESA Geos
Configuration
Unknown
Motor
SNIA-BPD AB
Equipment
Unknown
Power System
Solar cells, 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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