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GEOS 3, 7734

Orbit data source: Space-Track

GEOS 3, 7734 is a payload satellite owned by NASA WFC (US) in LEO that was launched on Wed, 09 Apr 1975 UTC via a DELTA 1410 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Identifier
7734, 1975-027A
Orbit
LEO
Last TLE update
14 hours ago
Origin
Manufacturer
APL
Mission
Civil Geodetic
Bus & Motor
ANNA, Unknown motor
Mass
340 kg wet, 340 kg dry
Launch date (UTC)
1975-04-09 (50 years ago)
Launch vehicle
DELTA 1410
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Oct Cyl + 1 Ant, 6 m
Radar Cross Section
1.778 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 14 hours ago
0 GEOS 3
1 07734U 75027A   25189.85881609 -.00000128  00000-0  22844-4 0  9998
2 07734 114.9940  58.3013 0006633 251.4450 108.5908 14.19104414600556
Epoch: 2025-07-08T20:36Z
TLE epoch observation values (Epoch: 2025-07-08T20:36:41.71Z)
Latitude
0.00003°
Longitude
-177.92027°
Altitude
831.871 km
Speed
7.437 km/s
True Right ascension
03h 53m 12s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-7.67624°
Longitude
0.1444°
Altitude
829.483 km
Speed
7.439 km/s
Apparent Right ascension
13h 57m 29s
Apparent Declination
-26° 36' 28"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
23:11:42
Azimuth
278.319° WNW
Elevation
-53.267°
Doppler factor
1
Orbital elements
Apogee altitude
831.748 km
Perigee altitude
822.19 km
Semi-major axis
7,205.106 km
Eccentricity
0.00066
Inclination
114.994°
RAAN
58.3013°
Arg. of periapsis
251.445°
True anomaly
Unknown
Mean anomaly
108.5908°
Eccentric anomaly
Unknown
Mean motion
3.54881 °/min
Orbital period
101.44 mins
BSTAR
0.000022844
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Other satellites on launch #27 in the year 1975 (1975-04-09 UTC)

GEOS 3 Visibility forecast

Observer location: undefined°, undefined°

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
8 mins2025-07-09 13:41:37.470Z117.395° SE2025-07-09 13:45:37.470Z35.955° NE37.481°2025-07-09 13:49:37.470Z337.218° NNW
7 mins2025-07-09 15:20:37.470Z195.629° SSW2025-07-09 15:23:37.470Z239.575° WSW24.61°2025-07-09 15:27:37.470Z296.553° NW
8 mins2025-07-10 05:19:37.470Z37.512° NE2025-07-10 05:22:37.470Z60.377° ENE44.361°2025-07-10 05:27:37.470Z214.036° SW
5 mins2025-07-10 06:58:37.470Z353.175° N2025-07-10 07:00:37.470Z325.186° NNW19.458°2025-07-10 07:03:37.470Z284.348° WNW
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