IRIDIUM 131, 43079
Orbit data source: Space-Track
IRIDIUM 131, 43079 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 23 Dec 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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43079 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: 14 hours ago
TLE from 14 hours ago
0 IRIDIUM 131
1 43079U 17083K 26033.46660094 .00000131 00000-0 39855-4 0 9990
2 43079 86.3972 18.4622 0002249 89.8666 270.2787 14.34211640424798Epoch: 2026-02-02T11:11Z
TLE epoch observation values (Epoch: 2026-02-02T11:11:54.321Z)
Latitude
-0.00006°
Longitude
77.82438°
Altitude
780.731 km
Speed
7.463 km/s
True Right ascension
01h 13m 50s
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
03:30:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.261 km
Perigee altitude
773.043 km
Semi-major axis
7,152.789 km
Eccentricity
0.00022
Inclination
86.3972°
RAAN
18.4622°
Arg. of periapsis
89.8666°
True anomaly
270.25293°
Mean anomaly
270.2787°
Eccentric anomaly
270.26581°
Mean motion
3.58782 °/min
Orbital period
100.34 mins
BSTAR
0.000039855
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Other satellites on launch #83 in the year 2017 (2017-12-23 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 131 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-02-03 09:34:16.422Z | 50.436° ENE | 2026-02-03 09:36:16.422Z | 73.936° E | 12.425° | 2026-02-03 09:38:16.422Z | 97.251° ESE |
| 8 mins | 2026-02-03 11:14:16.422Z | 348.937° N | 2026-02-03 11:17:16.422Z | 288.147° WNW | 43.125° | 2026-02-03 11:22:16.422Z | 187.976° SSW |
| 6 mins | 2026-02-03 22:30:16.422Z | 125.934° SE | 2026-02-03 22:33:16.422Z | 77.177° E | 24.241° | 2026-02-03 22:36:16.422Z | 34.246° NE |
| 7 mins | 2026-02-04 00:10:16.422Z | 225.392° WSW | 2026-02-04 00:13:16.422Z | 272.835° WNW | 27.966° | 2026-02-04 00:17:16.422Z | 336.71° 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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