USA 59, 20641
Orbit data source: Space-Track
USA 59, 20641 is an American payload satellite in HEO that was launched on Fri, 08 Jun 1990 UTC via a TITAN 405A launch vehicle from the Air Force Eastern Test Range (AFETR). 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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20641 intel report (Beta)
USA 59 details
| Identifier | |
| Orbit | HEO |
| Last TLE update | 2 days ago |
| Origin | |
| Manufacturer | NRL |
| Mission | Defense Sigint |
| Bus & Motor | NOSS B, Unknown motor |
| Mass | ~3,000 kg wet, ~3,000 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Cyl, 1 m |
| Radar Cross Section | 1.178 m² |
Expand to show TLE details & history
TLE from 2 days ago
0 USA 59
1 20641U 90050A 25014.08111464 -.00000039 00000-0 00000-0 0 9997
2 20641 63.4170 16.4398 4071216 265.9344 47.9079 6.02574495 15050Epoch: 2025-01-14T01:56Z
Definitive object data (Epoch: 2025-01-14T01:56:48.304Z)
| Latitude | 0.00005° |
| Longitude | -126.55748° |
| Altitude | 4,584.218 km |
| Speed | 6.441 km/s |
| True Right ascension | 01h 05m 44s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | 61.63622° |
| Longitude | -59.74382° |
| Altitude | 11,507.482 km |
| Speed | 3.655 km/s |
| Apparent Right ascension | 04h 54m 29s |
| Apparent Declination | 41° 41' 36" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 15:46:57 |
| Azimuth | 347.382° N |
| Elevation | -6.964° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 11,570.402 km |
| Perigee altitude | 1,184.323 km |
| Semi-major axis | 12,755.5 km |
| Eccentricity | 0.4071216 |
| Inclination | 63.417° |
| RAAN | 16.4398° |
| Arg. of periapsis | 265.9344° |
| True anomaly | 94.1246° |
| Mean anomaly | 47.9079° |
| Eccentric anomaly | 69.79944° |
| Mean motion | 1.5066 °/min |
| BSTAR | Unknown |
| Orbital period | 238.95 mins |
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Other satellites on launch #50 in the year 1990 (1990-06-08 UTC)
| USA 59, 20641 |
| USA 60, 20682 |
| USA 61, 20691 |
| USA 62, 20692 |
| TITAN 4 R/B, 20642 |
| USA 59 DEB, 21916 |
| USA 59 DEB, 21917 |
| USA 59 DEB, 22171 |
| USA 60 DEB, 27420 |
| USA 59-62 DEB, 28249 |
| USA 59-62 DEB, 28250 |
USA 59 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. |
|---|---|---|---|---|---|---|---|
| 83 mins | 2025-01-15 21:52:09.300Z | 116.854° SE | 2025-01-15 22:23:09.300Z | 69.1° E | 24.827° | 2025-01-15 23:15:09.300Z | 31.039° NE |
| 129 mins | 2025-01-16 01:46:09.300Z | 211.868° SW | 2025-01-16 02:22:09.300Z | 296.248° NW | 44.815° | 2025-01-16 03:55:09.300Z | 46.668° ENE |
| 141 mins | 2025-01-16 06:12:09.300Z | 287.374° WNW | 2025-01-16 07:42:09.300Z | 22.913° NE | 40.27° | 2025-01-16 08:33:09.300Z | 105.919° ESE |
| 103 mins | 2025-01-16 10:59:09.300Z | 325.601° NNW | 2025-01-16 12:14:09.300Z | 265.965° W | 40.862° | 2025-01-16 12:42:09.300Z | 189.823° SSW |
Authenticating...
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