IRIDIUM 100, 42956
Orbit data source: Space-Track
IRIDIUM 100, 42956 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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42956 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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 100
1 42956U 17061B 25326.37086488 .00000360 00000-0 12136-3 0 9998
2 42956 86.3948 111.6702 0001864 91.0559 269.0850 14.34218486425138Epoch: 2025-11-22T08:54Z
TLE epoch observation values (Epoch: 2025-11-22T08:54:02.725Z)
Latitude
-0.00007°
Longitude
-83.44166°
Altitude
780.737 km
Speed
7.463 km/s
True Right ascension
07h 26m 40s
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
20:32:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.963 km
Perigee altitude
773.296 km
Semi-major axis
7,152.766 km
Eccentricity
0.00019
Inclination
86.3948°
RAAN
111.6702°
Arg. of periapsis
91.0559°
True anomaly
269.06364°
Mean anomaly
269.085°
Eccentric anomaly
269.07432°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00012136
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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 100 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 | 2025-11-23 10:07:30.551Z | 169.279° S | 2025-11-23 10:12:30.551Z | 65.976° ENE | 41.813° | 2025-11-23 10:16:30.551Z | 10.07° NNE |
| 4 mins | 2025-11-23 20:40:30.551Z | 51.832° ENE | 2025-11-23 20:42:30.551Z | 78.767° E | 16.003° | 2025-11-23 20:44:30.551Z | 104.511° ESE |
| 8 mins | 2025-11-23 22:19:30.551Z | 343.655° N | 2025-11-23 22:23:30.551Z | 263.877° W | 38.672° | 2025-11-23 22:27:30.551Z | 199.019° SSW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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