OPS 4078 (DMSP 4B F2), 3510
Orbit data source: Space-Track
OPS 4078 (DMSP 4B F2), 3510 is a payload satellite owned by SAMSO (US) in SSO that was launched on Wed, 23 Oct 1968 UTC via a THOR BURNER 2 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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3510 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 OPS 4078 (DMSP 4B F2)
1 03510U 68092A 25260.90970271 .00000115 00000-0 63345-4 0 9996
2 03510 98.5417 23.8858 0030575 47.8265 312.5506 14.28121460958385
TLE epoch observation values (Epoch: 2025-09-17T21:49:58.314Z)
Visualization orbit readout
Visualization observer readout
Orbital elements
Other satellites on launch #92 in the year 1968 (1968-10-23 UTC)
OPS 4078 (DMSP 4B F2) 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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8 mins | 2025-09-19 07:35:26.260Z | 133.95° SE | 2025-09-19 07:39:26.260Z | 74.67° E | 31.751° | 2025-09-19 07:43:26.260Z | 7.283° NNE |
6 mins | 2025-09-19 09:16:26.260Z | 222.064° SW | 2025-09-19 09:19:26.260Z | 266.883° W | 22.006° | 2025-09-19 09:22:26.260Z | 310.32° NW |
9 mins | 2025-09-19 21:29:26.260Z | 4.218° NNE | 2025-09-19 21:33:26.260Z | 292.87° NW | 41.69° | 2025-09-19 21:38:26.260Z | 207.489° SW |
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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