IRIDIUM 142, 43256
Orbit data source: Space-Track
IRIDIUM 142, 43256 is a payload satellite owned by Iridium (US) in LEO that was launched on Fri, 30 Mar 2018 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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43256 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: 13 hours ago
TLE from 13 hours ago
0 IRIDIUM 142
1 43256U 18030H 25260.94309535 .00000047 00000-0 95843-5 0 9990
2 43256 86.3956 44.1473 0002467 82.6510 277.4966 14.34217942391116Epoch: 2025-09-17T22:38Z
TLE epoch observation values (Epoch: 2025-09-17T22:38:03.438Z)
Latitude
-0.00002°
Longitude
67.52118°
Altitude
780.487 km
Speed
7.464 km/s
True Right ascension
02h 56m 35s
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
04:33:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.396 km
Perigee altitude
772.866 km
Semi-major axis
7,152.768 km
Eccentricity
0.00025
Inclination
86.3956°
RAAN
44.1473°
Arg. of periapsis
82.651°
True anomaly
277.46857°
Mean anomaly
277.4966°
Eccentric anomaly
277.48259°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.0000095843
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Other satellites on launch #30 in the year 2018 (2018-03-30 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 142 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 | 2025-09-18 20:58:33.948Z | 19.915° NNE | 2025-09-18 21:02:33.948Z | 73.27° E | 27.071° | 2025-09-18 21:06:33.948Z | 136.486° SSE |
| 7 mins | 2025-09-18 22:40:33.948Z | 322.988° NNW | 2025-09-18 22:43:33.948Z | 275.121° WNW | 25.165° | 2025-09-18 22:47:33.948Z | 221.156° SW |
| 8 mins | 2025-09-19 09:55:33.948Z | 167.271° S | 2025-09-19 09:58:33.948Z | 119.398° SE | 42.004° | 2025-09-19 10:03:33.948Z | 8.946° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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