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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 142
1 43256U 18030H 25346.13045674 .00000121 00000-0 36158-4 0 9993
2 43256 86.3971 8.5534 0002615 97.9575 262.1917 14.34218086403324Epoch: 2025-12-12T03:07Z
TLE epoch observation values (Epoch: 2025-12-12T03:07:51.462Z)
Latitude
-0.00008°
Longitude
-119.48753°
Altitude
780.972 km
Speed
7.463 km/s
True Right ascension
00h 34m 12s
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
16:52:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.501 km
Perigee altitude
772.76 km
Semi-major axis
7,152.768 km
Eccentricity
0.00026
Inclination
86.3971°
RAAN
8.5534°
Arg. of periapsis
97.9575°
True anomaly
262.16201°
Mean anomaly
262.1917°
Eccentric anomaly
262.17686°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000036158
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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 | 2025-12-13 01:02:19.672Z | 118.338° SE | 2025-12-13 01:05:19.672Z | 80.101° E | 17.616° | 2025-12-13 01:08:19.672Z | 41.786° NE |
| 8 mins | 2025-12-13 02:42:19.672Z | 210.403° SW | 2025-12-13 02:45:19.672Z | 265.152° W | 36.145° | 2025-12-13 02:50:19.672Z | 349.498° N |
| 8 mins | 2025-12-13 13:12:19.672Z | 17.841° NNE | 2025-12-13 13:16:19.672Z | 90.94° ESE | 33.604° | 2025-12-13 13:20:19.672Z | 150.699° SSE |
| 5 mins | 2025-12-13 14:54:19.672Z | 310.071° NW | 2025-12-13 14:56:19.672Z | 281.008° WNW | 19.566° | 2025-12-13 14:59:19.672Z | 239.807° 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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