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, 4.7 m
Radar Cross Section
14.423 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 25258.23188727 .00000138 00000-0 42363-4 0 9996
2 43079 86.3911 77.1012 0001974 89.2339 270.9083 14.34218009404690Epoch: 2025-09-15T05:33Z
TLE epoch observation values (Epoch: 2025-09-15T05:33:55.06Z)
Latitude
-0°
Longitude
-0.81772°
Altitude
780.695 km
Speed
7.464 km/s
True Right ascension
05h 08m 24s
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
04:06:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.043 km
Perigee altitude
773.219 km
Semi-major axis
7,152.768 km
Eccentricity
0.0002
Inclination
86.3911°
RAAN
77.1012°
Arg. of periapsis
89.2339°
True anomaly
270.88568°
Mean anomaly
270.9083°
Eccentric anomaly
270.89699°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000042363
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-09-15 12:21:49.686Z | 170.077° S | 2025-09-15 12:26:49.686Z | 95.185° ESE | 42.267° | 2025-09-15 12:31:49.686Z | 8.943° NNE |
| 5 mins | 2025-09-15 22:54:49.686Z | 46.905° ENE | 2025-09-15 22:56:49.686Z | 72.828° E | 16.043° | 2025-09-15 22:59:49.686Z | 110.609° ESE |
| 8 mins | 2025-09-16 00:34:49.686Z | 340.677° N | 2025-09-16 00:37:49.686Z | 282.893° WNW | 38.558° | 2025-09-16 00:42:49.686Z | 197.155° 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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