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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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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 142
1 43256U 18030H 26305.20522466 .00000076 00000-0 19926-4 0 9999
2 43256 86.3981 233.0351 0002268 86.5052 273.6403 14.34218122449772Epoch: 2026-11-01T04:55Z
TLE epoch observation values (Epoch: 2026-11-01T04:55:31.410Z)
Latitude
-0.00005°
Longitude
118.65428°
Altitude
780.614 km
Speed
7.464 km/s
True Right ascension
15h 32m 08s
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
15:26:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.253 km
Perigee altitude
773.008 km
Semi-major axis
7,152.767 km
Eccentricity
0.00023
Inclination
86.3981°
RAAN
233.0351°
Arg. of periapsis
86.5052°
True anomaly
273.61436°
Mean anomaly
273.6403°
Eccentric anomaly
273.62733°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000019926
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-11-01 20:06:06.906Z | 190.208° SSW | 2026-11-01 20:11:06.906Z | 295.605° NW | 68.583° | 2026-11-01 20:15:06.906Z | 356.002° N |
| 7 mins | 2026-11-02 06:38:06.906Z | 29.844° NE | 2026-11-02 06:41:06.906Z | 76.376° E | 29.253° | 2026-11-02 06:45:06.906Z | 135.615° SSE |
| 7 mins | 2026-11-02 08:19:06.906Z | 322.963° NNW | 2026-11-02 08:22:06.906Z | 272.254° WNW | 29.812° | 2026-11-02 08:26:06.906Z | 218.627° SW |
| 8 mins | 2026-11-02 19:34:06.906Z | 163.745° S | 2026-11-02 19:37:06.906Z | 104.621° ESE | 62.36° | 2026-11-02 19:42:06.906Z | 9.907° NNE |
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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