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, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 142
1 43256U 18030H 26035.34059507 .00000339 00000-0 11387-3 0 9999
2 43256 86.4005 345.8911 0001919 77.9220 282.2190 14.34218461411096Epoch: 2026-02-04T08:10Z
TLE epoch observation values (Epoch: 2026-02-04T08:10:27.414Z)
Latitude
-0.00007°
Longitude
88.76829°
Altitude
780.425 km
Speed
7.464 km/s
True Right ascension
23h 03m 33s
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
20:17:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.002 km
Perigee altitude
773.257 km
Semi-major axis
7,152.766 km
Eccentricity
0.00019
Inclination
86.4005°
RAAN
345.8911°
Arg. of periapsis
77.922°
True anomaly
282.19751°
Mean anomaly
282.219°
Eccentric anomaly
282.20825°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00011387
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-04 20:02:18.946Z | 117.335° SE | 2026-02-04 20:05:18.946Z | 77.233° E | 18.223° | 2026-02-04 20:08:18.946Z | 39.495° NE |
| 8 mins | 2026-02-04 21:42:18.946Z | 213.412° SW | 2026-02-04 21:45:18.946Z | 272.287° WNW | 35.489° | 2026-02-04 21:50:18.946Z | 349.456° N |
| 8 mins | 2026-02-05 08:12:18.946Z | 18.067° NNE | 2026-02-05 08:16:18.946Z | 97.242° ESE | 34.174° | 2026-02-05 08:20:18.946Z | 152.927° SSE |
| 5 mins | 2026-02-05 09:54:18.946Z | 307.263° NW | 2026-02-05 09:56:18.946Z | 278.072° WNW | 18.927° | 2026-02-05 09:59:18.946Z | 238.916° 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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