IRIDIUM 122, 42957
Orbit data source: Space-Track
IRIDIUM 122, 42957 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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42957 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
OATK SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Trap Box + 2 Pan, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 IRIDIUM 122
1 42957U 17061C 25356.82799550 .00000290 00000-0 96389-4 0 9998
2 42957 86.3967 98.9394 0002052 99.7991 260.3437 14.34219052429509Epoch: 2025-12-22T19:52Z
TLE epoch observation values (Epoch: 2025-12-22T19:52:18.811Z)
Latitude
0.00004°
Longitude
69.24053°
Altitude
780.96 km
Speed
7.463 km/s
True Right ascension
06h 35m 45s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
01:19:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.095 km
Perigee altitude
773.16 km
Semi-major axis
7,152.764 km
Eccentricity
0.00021
Inclination
86.3967°
RAAN
98.9394°
Arg. of periapsis
99.7991°
True anomaly
260.32052°
Mean anomaly
260.3437°
Eccentric anomaly
260.33211°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000096389
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Other satellites on launch #61 in the year 2017 (2017-10-09 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.IRIDIUM 122 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 07:43:15.261Z | 189.024° SSW | 2025-12-23 07:46:15.261Z | 223.888° SW | 43.232° | 2025-12-23 07:51:15.261Z | 358.595° N |
| 7 mins | 2025-12-23 18:14:15.261Z | 34.682° NE | 2025-12-23 18:17:15.261Z | 82.706° E | 24.236° | 2025-12-23 18:21:15.261Z | 135.395° SSE |
| 8 mins | 2025-12-23 19:54:15.261Z | 331.012° NNW | 2025-12-23 19:58:15.261Z | 264.756° W | 27.825° | 2025-12-23 20:02:15.261Z | 214.243° 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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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