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: 11 hours ago
TLE from 11 hours ago
0 IRIDIUM 100
1 42956U 17061B 25312.48692751 .00000064 00000-0 15777-4 0 9997
2 42956 86.3938 117.4763 0001953 86.7385 273.4035 14.34218058423143Epoch: 2025-11-08T11:41Z
TLE epoch observation values (Epoch: 2025-11-08T11:41:10.536Z)
Latitude
0.00003°
Longitude
-105.73344°
Altitude
780.634 km
Speed
7.464 km/s
True Right ascension
07h 49m 54s
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
19:01:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.028 km
Perigee altitude
773.234 km
Semi-major axis
7,152.768 km
Eccentricity
0.0002
Inclination
86.3938°
RAAN
117.4763°
Arg. of periapsis
86.7385°
True anomaly
273.38116°
Mean anomaly
273.4035°
Eccentric anomaly
273.39233°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000015777
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-11-08 23:59:13.155Z | 337.802° N | 2025-11-09 00:03:13.155Z | 279.79° WNW | 30.989° | 2025-11-09 00:07:13.155Z | 213.805° SW |
| 8 mins | 2025-11-09 11:15:13.155Z | 155.988° SSE | 2025-11-09 11:19:13.155Z | 72.824° E | 36.999° | 2025-11-09 11:23:13.155Z | 15.626° NNE |
| 5 mins | 2025-11-09 12:58:13.155Z | 261.193° W | 2025-11-09 13:00:13.155Z | 289.319° WNW | 16.924° | 2025-11-09 13:03:13.155Z | 325.393° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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