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: 3 days ago
TLE from 3 days 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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32 mins | 2025-09-18 00:34:01.241Z | 230.219° WSW | 2025-09-18 00:50:01.241Z | 291.093° WNW | 28.865° | 2025-09-18 01:06:01.241Z | 350.834° N |
22 mins | 2025-09-18 06:55:01.241Z | 19.332° NNE | 2025-09-18 07:06:01.241Z | 56.804° ENE | 16.696° | 2025-09-18 07:17:01.241Z | 93.692° ESE |
37 mins | 2025-09-18 09:41:01.241Z | 1.885° NNE | 2025-09-18 09:59:01.241Z | 96.305° ESE | 44.185° | 2025-09-18 10:18:01.241Z | 175.331° S |
28 mins | 2025-09-18 12:30:01.241Z | 345.95° N | 2025-09-18 12:43:01.241Z | 298.387° NW | 27.389° | 2025-09-18 12:58:01.241Z | 244.125° WSW |
29 mins | 2025-09-18 20:12:01.241Z | 118.744° SE | 2025-09-18 20:26:01.241Z | 65.156° ENE | 29.445° | 2025-09-18 20:41:01.241Z | 10.562° NNE |
32 mins | 2025-09-18 22:54:01.241Z | 190.632° SSW | 2025-09-18 23:11:01.241Z | 270.848° WNW | 43.327° | 2025-09-18 23:26:01.241Z | 354.242° N |
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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