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: 11 hours ago
TLE from 11 hours ago
0 IRIDIUM 122
1 42957U 17061C 26275.92540265 .00000122 00000-0 36656-4 0 9992
2 42957 86.4008 340.1731 0002176 92.5816 267.5629 14.34217916470221Epoch: 2026-10-02T22:12Z
TLE epoch observation values (Epoch: 2026-10-02T22:12:34.788Z)
Latitude
-0.00004°
Longitude
-4.61221°
Altitude
780.784 km
Speed
7.463 km/s
True Right ascension
22h 40m 41s
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
03:27:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.187 km
Perigee altitude
773.075 km
Semi-major axis
7,152.768 km
Eccentricity
0.00022
Inclination
86.4008°
RAAN
340.1731°
Arg. of periapsis
92.5816°
True anomaly
267.53799°
Mean anomaly
267.5629°
Eccentric anomaly
267.55044°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000036656
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-10-03 15:32:37.470Z | 32.631° NE | 2026-10-03 15:35:37.470Z | 73.429° E | 23.104° | 2026-10-03 15:39:37.470Z | 127.513° SE |
| 7 mins | 2026-10-03 17:13:37.470Z | 330.676° NNW | 2026-10-03 17:16:37.470Z | 276.796° WNW | 38.037° | 2026-10-03 17:20:37.470Z | 212.35° SW |
| 8 mins | 2026-10-04 04:28:37.470Z | 154.182° SSE | 2026-10-04 04:31:37.470Z | 105.201° ESE | 47.31° | 2026-10-04 04:36:37.470Z | 15.511° NNE |
| 6 mins | 2026-10-04 06:10:37.470Z | 250.97° W | 2026-10-04 06:12:37.470Z | 276.955° WNW | 18.126° | 2026-10-04 06:16:37.470Z | 327.03° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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