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: 12 hours ago
TLE from 12 hours ago
0 IRIDIUM 122
1 42957U 17061C 26095.92262346 .00000135 00000-0 41022-4 0 9990
2 42957 86.3959 55.3860 0002157 88.5011 271.6432 14.34217545444423Epoch: 2026-04-05T22:08Z
TLE epoch observation values (Epoch: 2026-04-05T22:08:34.666Z)
Latitude
-0.00004°
Longitude
-110.97954°
Altitude
780.675 km
Speed
7.464 km/s
True Right ascension
03h 41m 32s
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
16:19:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.175 km
Perigee altitude
773.089 km
Semi-major axis
7,152.769 km
Eccentricity
0.00022
Inclination
86.3959°
RAAN
55.386°
Arg. of periapsis
88.5011°
True anomaly
271.61849°
Mean anomaly
271.6432°
Eccentric anomaly
271.63085°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000041022
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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 | 2026-04-06 10:27:34.556Z | 322.173° NNW | 2026-04-06 10:30:34.556Z | 280.028° WNW | 21.875° | 2026-04-06 10:34:34.556Z | 227.547° WSW |
| 8 mins | 2026-04-06 21:42:34.556Z | 175.762° S | 2026-04-06 21:46:34.556Z | 41.303° NE | 44.079° | 2026-04-06 21:50:34.556Z | 5.258° NNE |
| 5 mins | 2026-04-07 08:14:34.556Z | 49.169° ENE | 2026-04-07 08:16:34.556Z | 78.867° E | 19.196° | 2026-04-07 08:19:34.556Z | 118.548° SE |
| 8 mins | 2026-04-07 09:53:34.556Z | 338.705° N | 2026-04-07 09:57:34.556Z | 266.851° W | 34.309° | 2026-04-07 10:01:34.556Z | 206.248° SW |
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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