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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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: 6 hours ago
TLE from 6 hours ago
0 IRIDIUM 131
1 43079U 17083K 26074.28119365 .00000092 00000-0 25687-4 0 9999
2 43079 86.4031 1.4159 0002237 83.2314 276.9136 14.34218379430645Epoch: 2026-03-15T06:44Z
TLE epoch observation values (Epoch: 2026-03-15T06:44:55.131Z)
Latitude
-0.00005°
Longitude
87.29591°
Altitude
780.524 km
Speed
7.464 km/s
True Right ascension
00h 05m 39s
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
17:08:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.229 km
Perigee altitude
773.029 km
Semi-major axis
7,152.766 km
Eccentricity
0.00022
Inclination
86.4031°
RAAN
1.4159°
Arg. of periapsis
83.2314°
True anomaly
276.88815°
Mean anomaly
276.9136°
Eccentric anomaly
276.90088°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000025687
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-03-15 18:36:21.961Z | 124.133° SE | 2026-03-15 18:39:21.961Z | 83.967° E | 20.379° | 2026-03-15 18:43:21.961Z | 32.794° NE |
| 8 mins | 2026-03-15 20:16:21.961Z | 215.2° SW | 2026-03-15 20:20:21.961Z | 289.97° WNW | 32.297° | 2026-03-15 20:24:21.961Z | 345.095° N |
| 9 mins | 2026-03-16 06:46:21.961Z | 12.494° NNE | 2026-03-16 06:50:21.961Z | 83.593° E | 37.423° | 2026-03-16 06:55:21.961Z | 159.429° S |
| 5 mins | 2026-03-16 08:28:21.961Z | 310.46° NW | 2026-03-16 08:30:21.961Z | 284.324° WNW | 16.821° | 2026-03-16 08:33:21.961Z | 245.509° WSW |
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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