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: 1 day ago
TLE from 1 day ago
0 IRIDIUM 131
1 43079U 17083K 25339.16336967 .00000120 00000-0 35886-4 0 9992
2 43079 86.3981 43.2625 0002077 94.4098 265.7335 14.34218336416290Epoch: 2025-12-05T03:55Z
TLE epoch observation values (Epoch: 2025-12-05T03:55:15.139Z)
Latitude
-0.00004°
Longitude
-89.75999°
Altitude
780.827 km
Speed
7.463 km/s
True Right ascension
02h 53m 02s
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
04:29:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.115 km
Perigee altitude
773.144 km
Semi-major axis
7,152.767 km
Eccentricity
0.00021
Inclination
86.3981°
RAAN
43.2625°
Arg. of periapsis
94.4098°
True anomaly
265.70977°
Mean anomaly
265.7335°
Eccentric anomaly
265.72163°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000035886
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-12-06 15:39:45.971Z | 23.339° NE | 2025-12-06 15:43:45.971Z | 79.475° E | 25.484° | 2025-12-06 15:47:45.971Z | 135.972° SSE |
| 7 mins | 2025-12-06 17:21:45.971Z | 322.033° NNW | 2025-12-06 17:24:45.971Z | 268.947° W | 26.753° | 2025-12-06 17:28:45.971Z | 216.972° SW |
| 8 mins | 2025-12-07 04:36:45.971Z | 162.068° S | 2025-12-07 04:39:45.971Z | 97.674° ESE | 41.21° | 2025-12-07 04:44:45.971Z | 10.231° NNE |
| 4 mins | 2025-12-07 06:19:45.971Z | 269.013° W | 2025-12-07 06:20:45.971Z | 281.729° WNW | 14.108° | 2025-12-07 06:23:45.971Z | 317.794° 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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