IRIDIUM 129, 42958
Orbit data source: Space-Track
IRIDIUM 129, 42958 is a payload satellite owned by Iridium (US) in LEO that was launched on Mon, 09 Oct 2017 UTC via an FALCON 9 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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42958 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 IRIDIUM 129
1 42958U 17061D 25356.85336730 .00000115 00000-0 34075-4 0 9999
2 42958 86.3975 98.9940 0001726 93.8640 266.2753 14.34216654429522TLE epoch observation values (Epoch: 2025-12-22T20:28:50.934Z)
Visualization orbit readout
Visualization observer readout
Orbital elements
Other satellites on launch #61 in the year 2017 (2017-10-09 UTC)
IRIDIUM 129 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-12-23 06:39:00.908Z | 135.102° SSE | 2025-12-23 06:43:00.908Z | 80.998° E | 23.469° | 2025-12-23 06:47:00.908Z | 28.878° NE |
| 8 mins | 2025-12-23 08:20:00.908Z | 222.291° SW | 2025-12-23 08:23:00.908Z | 267.975° W | 28.709° | 2025-12-23 08:28:00.908Z | 342.826° N |
| 8 mins | 2025-12-23 18:50:00.908Z | 8.908° NNE | 2025-12-23 18:54:00.908Z | 92.762° ESE | 40.763° | 2025-12-23 18:58:00.908Z | 162.649° S |
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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