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: 2 days ago
TLE from 2 days ago
0 IRIDIUM 122
1 42957U 17061C 25306.45512300 .00000009 00000-0 -36722-5 0 9993
2 42957 86.3937 119.9982 0001923 86.0079 274.1336 14.34217610422282Epoch: 2025-11-02T10:55Z
TLE epoch observation values (Epoch: 2025-11-02T10:55:22.627Z)
Latitude
-0.00007°
Longitude
-85.81669°
Altitude
780.62 km
Speed
7.464 km/s
True Right ascension
07h 59m 59s
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
22:44:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.008 km
Perigee altitude
773.257 km
Semi-major axis
7,152.769 km
Eccentricity
0.00019
Inclination
86.3937°
RAAN
119.9982°
Arg. of periapsis
86.0079°
True anomaly
274.11162°
Mean anomaly
274.1336°
Eccentric anomaly
274.12261°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.0000036722
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-11-04 11:35:45.815Z | 153.865° SSE | 2025-11-04 11:39:45.815Z | 96.194° ESE | 33.934° | 2025-11-04 11:44:45.815Z | 17.241° NNE |
| 6 mins | 2025-11-04 13:18:45.815Z | 250.833° W | 2025-11-04 13:20:45.815Z | 279.522° WNW | 19.343° | 2025-11-04 13:24:45.815Z | 330.515° NNW |
| 8 mins | 2025-11-04 23:47:45.815Z | 354.239° N | 2025-11-04 23:50:45.815Z | 328.165° NNW | 43.791° | 2025-11-04 23:55:45.815Z | 183.049° SSW |
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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