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: 9 hours ago
TLE from 9 hours ago
0 IRIDIUM 142
1 43256U 18030H 25316.26952924 .00000209 00000-0 67706-4 0 9999
2 43256 86.4001 21.0341 0001917 107.0326 253.1081 14.34218334399047Epoch: 2025-11-12T06:28Z
TLE epoch observation values (Epoch: 2025-11-12T06:28:07.326Z)
Latitude
0.00009°
Longitude
-127.64057°
Altitude
781.115 km
Speed
7.463 km/s
True Right ascension
01h 24m 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
12:02:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.001 km
Perigee altitude
773.258 km
Semi-major axis
7,152.767 km
Eccentricity
0.00019
Inclination
86.4001°
RAAN
21.0341°
Arg. of periapsis
107.0326°
True anomaly
253.08708°
Mean anomaly
253.1081°
Eccentric anomaly
253.09759°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000067706
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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 | 2025-11-12 17:05:25.690Z | 344.864° N | 2025-11-12 17:10:25.690Z | 253.389° W | 36.649° | 2025-11-12 17:14:25.690Z | 200.272° SSW |
| 7 mins | 2025-11-13 04:22:25.690Z | 139.609° SSE | 2025-11-13 04:25:25.690Z | 83.907° E | 31.103° | 2025-11-13 04:29:25.690Z | 22.928° NE |
| 6 mins | 2025-11-13 06:03:25.690Z | 240.98° WSW | 2025-11-13 06:06:25.690Z | 286.235° WNW | 21.728° | 2025-11-13 06:09:25.690Z | 327.571° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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