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: 16 hours ago
TLE from 16 hours ago
0 IRIDIUM 142
1 43256U 18030H 25353.03754094 .00000108 00000-0 31633-4 0 9991
2 43256 86.3961 5.6649 0002600 93.4192 266.7302 14.34218088404318Epoch: 2025-12-19T00:54Z
TLE epoch observation values (Epoch: 2025-12-19T00:54:03.537Z)
Latitude
0.00007°
Longitude
-95.73428°
Altitude
780.824 km
Speed
7.463 km/s
True Right ascension
00h 22m 39s
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
15:23:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.49 km
Perigee altitude
772.771 km
Semi-major axis
7,152.768 km
Eccentricity
0.00026
Inclination
86.3961°
RAAN
5.6649°
Arg. of periapsis
93.4192°
True anomaly
266.70046°
Mean anomaly
266.7302°
Eccentric anomaly
266.71533°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000031633
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-20 00:28:31.323Z | 125.373° SE | 2025-12-20 00:31:31.323Z | 87.892° E | 19.519° | 2025-12-20 00:35:31.323Z | 35.366° NE |
| 8 mins | 2025-12-20 02:08:31.323Z | 212.097° SW | 2025-12-20 02:12:31.323Z | 283.104° WNW | 33.526° | 2025-12-20 02:16:31.323Z | 344.645° N |
| 8 mins | 2025-12-20 12:39:31.323Z | 17.955° NNE | 2025-12-20 12:42:31.323Z | 74.368° E | 36.377° | 2025-12-20 12:47:31.323Z | 157.248° SSE |
| 4 mins | 2025-12-20 14:21:31.323Z | 301.936° NW | 2025-12-20 14:23:31.323Z | 273.209° WNW | 17.318° | 2025-12-20 14:25:31.323Z | 247.305° 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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