OPS 3662 (VELA 3), 836
Orbit data source: Space-Track
OPS 3662 (VELA 3), 836 is a payload satellite owned by USAF SSD (US) in HEO that was launched on Fri, 17 Jul 1964 UTC via an ATLAS AGENA D 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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836 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: in 23 hours
TLE from in 23 hours
0 OPS 3662 (VELA 3)
1 00836U 64040A 25261.01495214 .00000361 00000-0 00000-0 0 9993
2 00836 51.6574 124.3085 4693388 286.6790 0.5498 0.23916435 10346
TLE epoch observation values (Epoch: 2025-09-18T00:21:31.864Z)
Visualization orbit readout
Visualization observer readout
Orbital elements
Other satellites on launch #40 in the year 1964 (1964-07-17 UTC)
OPS 3662 (VELA 3) 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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450 mins | 2025-09-17 00:52:03.562Z | 127.474° SE | 2025-09-17 02:16:03.562Z | 169.65° S | 42.679° | 2025-09-17 08:22:03.562Z | 264.44° W |
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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