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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). Payloads include a variety of satellites, spacecraft, and rockets 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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GGSE 1 (GGRS) details
Identifier
728, 1964-001B
Orbit
LEO
Last TLE update1 day ago
Origin
Flag of USNRO/NRL (US)
ManufacturerNRL
MissionDefense Technology
Bus & MotorNRL 20", Unknown motor
Mass38 kg wet, 38 kg dry
Launch date (UTC)
1964-01-11 (61 years ago)
Launch vehicle
THOR SLV-2A AGENA D
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBRSphere + 1 Ant, 9 m
Radar Cross Section0.623 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 1 day ago
0 GGSE 1 (GGRS)
1 00728U 64001B   25044.61086396  .00000145  00000-0  14108-3 0  9999
2 00728  69.9076 175.6751 0016443 258.1048 101.8214 13.97627139111406
Epoch: 2025-02-13T14:39Z
Definitive object data (Epoch: 2025-02-13T14:39:38.646Z)
Latitude-0.00002°
Longitude171.87957°
Altitude906.803 km
Speed7.398 km/s
True Right ascension11h 42m 42s
True Declination0° 00' 00"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude-67.82597°
Longitude52.9959°
Altitude915.035 km
Speed7.4 km/s
Apparent Right ascension04h 29m 13s
Apparent Declination-54° 55' 15"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time16:52:49
Azimuth167.238° S
Elevation-74.487°
Doppler factor1
Orbital elements
Apogee altitude912.042 km
Perigee altitude888.107 km
Semi-major axis7,278.212 km
Eccentricity0.0016443
Inclination69.9076°
RAAN175.6751°
Arg. of periapsis258.1048°
True anomaly102.00575°
Mean anomaly101.8214°
Eccentric anomaly101.91358°
Mean motion3.49547 °/min
BSTAR0.00014108
Orbital period102.99 mins
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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 mins2025-02-14 18:41:53.380Z356.199° N2025-02-14 18:45:53.380Z46.391° ENE29.743°2025-02-14 18:50:53.380Z117.402° SE
9 mins2025-02-14 20:27:53.380Z310.664° NW2025-02-14 20:31:53.380Z253.231° W30.184°2025-02-14 20:36:53.380Z191.747° SSW
10 mins2025-02-15 09:43:53.380Z196.61° SSW2025-02-15 09:47:53.380Z154.431° SSE44.074°2025-02-15 09:53:53.380Z27.329° NE
6 mins2025-02-15 11:31:53.380Z281.675° WNW2025-02-15 11:34:53.380Z317.097° NNW17.372°2025-02-15 11:37:53.380Z349.532° N
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