USA 254, 40100
Orbit data source: Space-Track
USA 254, 40100 is a payload satellite owned by USAF AFSPC (US) in GEO that was launched on Mon, 28 Jul 2014 UTC via a DELTA 4M+(4,2) launch vehicle from the Air Force Eastern Test Range (AFETR). 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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40100 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 USA 254
1 40100U 14043B 25342.75275122 .00000062 00000-0 00000+0 0 9991
2 40100 4.2231 78.5261 0002878 214.6856 273.7669 0.99128880 25681TLE epoch observation values (Epoch: 2025-12-08T18:03:57.705Z)
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Visualization observer readout
Orbital elements
Other satellites on launch #43 in the year 2014 (2014-07-28 UTC)
USA 254 Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2025-12-09 21:04:51.062Z | 234.373° WSW | 2025-12-10 15:31:51.062Z | 240.202° WSW | 25.737° | 2025-12-10 21:04:51.062Z | 238.386° WSW |
40100 neighbors
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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