GGSE 1 (GGRS), 728
Orbit data source: Space-Track
GGSE 1 (GGRS), 728 is an American payload satellite in LEO that was launched on Sat, 11 Jan 1964 UTC via a THOR SLV-2A AGENA D 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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Edit Public Description
Identifier
Orbit
Last TLE update
7 hours ago
Origin
Manufacturer
NRL
Mission
Defense Technology
Bus & Motor
NRL 20", Unknown motor
Mass
38 kg wet, 38 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Sphere + 1 Ant, 9 m
Radar Cross Section
0.623 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & history
TLE from 7 hours ago
0 GGSE 1 (GGRS)
1 728U 64001B 25192.18102231 .00000010 00000-0 45012-4 0 9992
2 728 69.9056 217.9239 0011072 59.9097 300.3105 13.97681030132496Epoch: 2025-07-11T04:20Z
TLE epoch observation values (Epoch: 2025-07-11T04:20:40.327Z)
Latitude
-0.00005°
Longitude
-136.58079°
Altitude
900.082 km
Speed
7.404 km/s
True Right ascension
14h 31m 41s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
68.89384°
Longitude
-66.70252°
Altitude
905.749 km
Speed
7.41 km/s
Apparent Right ascension
14h 01m 06s
Apparent Declination
29° 41' 04"
Sunlit
Visualization observer readout
Local Sidereal Time
23:54:39
Azimuth
331.95° NNW
Elevation
-14.46°
Doppler factor
1
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Other satellites on launch #1 in the year 1964 (1964-01-11 UTC)
GGSE 1 (GGRS) 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-07-11 11:45:35.688Z | 359.126° N | 2025-07-11 11:49:35.688Z | 45.864° ENE | 24.969° | 2025-07-11 11:54:35.688Z | 109.301° ESE |
| 9 mins | 2025-07-11 13:31:35.688Z | 317.568° NNW | 2025-07-11 13:35:35.688Z | 257.014° W | 35.719° | 2025-07-11 13:40:35.688Z | 183.623° SSW |
| 10 mins | 2025-07-12 02:47:35.688Z | 186.259° SSW | 2025-07-12 02:52:35.688Z | 91.069° ESE | 40.789° | 2025-07-12 02:57:35.688Z | 32.395° NE |
| 7 mins | 2025-07-12 04:35:35.688Z | 275.409° WNW | 2025-07-12 04:38:35.688Z | 315.369° NNW | 20.534° | 2025-07-12 04:42:35.688Z | 358.646° N |
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