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: 13 hours ago
TLE from 13 hours ago
0 IRIDIUM 142
1 43256U 18030H 26311.20531770 -.00000024 00000-0 -15607-4 0 9991
2 43256 86.3988 230.5292 0002121 85.0372 275.1066 14.34217230450630Epoch: 2026-11-07T04:55Z
TLE epoch observation values (Epoch: 2026-11-07T04:55:39.449Z)
Latitude
-0°
Longitude
110.20091°
Altitude
780.585 km
Speed
7.464 km/s
True Right ascension
15h 22m 07s
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
13:50:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.15 km
Perigee altitude
773.116 km
Semi-major axis
7,152.77 km
Eccentricity
0.00021
Inclination
86.3988°
RAAN
230.5292°
Arg. of periapsis
85.0372°
True anomaly
275.08239°
Mean anomaly
275.1066°
Eccentric anomaly
275.0945°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.000015607
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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 | 2026-11-07 18:27:14.430Z | 132.001° SE | 2026-11-07 18:30:14.430Z | 90.526° ESE | 26.369° | 2026-11-07 18:34:14.430Z | 31.95° NE |
| 7 mins | 2026-11-07 20:08:14.430Z | 227.883° WSW | 2026-11-07 20:11:14.430Z | 280.15° WNW | 32.844° | 2026-11-07 20:15:14.430Z | 339.172° N |
| 8 mins | 2026-11-08 06:38:14.430Z | 9.955° NNE | 2026-11-08 06:41:14.430Z | 61.428° ENE | 59.601° | 2026-11-08 06:46:14.430Z | 165.186° S |
| 4 mins | 2026-11-08 08:20:14.430Z | 301.091° NW | 2026-11-08 08:22:14.430Z | 275.838° WNW | 14.278° | 2026-11-08 08:24:14.430Z | 252.563° W |
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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