ERS 9, 635
Orbit data source: Space-Track
ERS 9, 635 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Fri, 19 Jul 1963 UTC via an ATLAS AGENA B 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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635 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 ERS 9
1 00635U 63030B 25257.87238224 .00000023 00000-0 10454-1 0 9993
2 00635 88.4157 230.2170 0045219 307.4134 52.2606 8.57948281946830
TLE epoch observation values (Epoch: 2025-09-14T20:56:13.825Z)
Visualization orbit readout
Visualization observer readout
Orbital elements
Other satellites on launch #30 in the year 1963 (1963-07-19 UTC)
ERS 9 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. |
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26 mins | 2025-09-16 07:18:54.130Z | 13.096° NNE | 2025-09-16 07:32:54.130Z | 61.356° ENE | 19.95° | 2025-09-16 07:44:54.130Z | 103.13° ESE |
37 mins | 2025-09-16 10:05:54.130Z | 359.955° N | 2025-09-16 10:24:54.130Z | 121.257° SE | 44.881° | 2025-09-16 10:42:54.130Z | 181.781° SSW |
26 mins | 2025-09-16 12:55:54.130Z | 344.446° N | 2025-09-16 13:07:54.130Z | 301.947° NW | 24.092° | 2025-09-16 13:21:54.130Z | 252.581° W |
31 mins | 2025-09-16 20:35:54.130Z | 127.705° SE | 2025-09-16 20:50:54.130Z | 69.743° E | 32.66° | 2025-09-16 21:06:54.130Z | 9.231° NNE |
36 mins | 2025-09-16 23:19:54.130Z | 197.796° SSW | 2025-09-16 23:36:54.130Z | 274.403° WNW | 41.511° | 2025-09-16 23:55:54.130Z | 357.31° N |
10 mins | 2025-09-17 02:27:54.130Z | 298.615° NW | 2025-09-17 02:32:54.130Z | 315.117° NNW | 11.61° | 2025-09-17 02:37:54.130Z | 331.445° NNW |
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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