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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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: 7 hours ago
TLE from 7 hours ago
0 IRIDIUM 122
1 42957U 17061C 26141.76054054 .00000190 00000-0 60696-4 0 9998
2 42957 86.3990 36.2326 0002347 83.9098 276.2366 14.34217601450997Epoch: 2026-05-21T18:15Z
TLE epoch observation values (Epoch: 2026-05-21T18:15:10.702Z)
Latitude
0.00005°
Longitude
-116.9631°
Altitude
780.537 km
Speed
7.464 km/s
True Right ascension
02h 24m 55s
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
09:50:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.311 km
Perigee altitude
772.953 km
Semi-major axis
7,152.769 km
Eccentricity
0.00023
Inclination
86.399°
RAAN
36.2326°
Arg. of periapsis
83.9098°
True anomaly
276.20986°
Mean anomaly
276.2366°
Eccentric anomaly
276.22323°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000060696
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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 | 2026-05-22 04:52:25.644Z | 5.576° NNE | 2026-05-22 04:57:25.644Z | 114.348° SE | 40.879° | 2026-05-22 05:01:25.644Z | 165.649° S |
| 4 mins | 2026-05-22 16:11:25.644Z | 95.389° ESE | 2026-05-22 16:12:25.644Z | 82.671° E | 14.237° | 2026-05-22 16:15:25.644Z | 46.569° ENE |
| 8 mins | 2026-05-22 17:49:25.644Z | 199.852° SSW | 2026-05-22 17:52:25.644Z | 249.291° W | 40.065° | 2026-05-22 17:57:25.644Z | 353.365° N |
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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