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: 2 days ago
TLE from 2 days ago
0 IRIDIUM 142
1 43256U 18030H 25306.50193744 .00000284 00000-0 94225-4 0 9991
2 43256 86.4008 25.1136 0001674 101.0328 259.1056 14.34216835397643Epoch: 2025-11-02T12:02Z
TLE epoch observation values (Epoch: 2025-11-02T12:02:47.394Z)
Latitude
-0.00006°
Longitude
162.39937°
Altitude
780.948 km
Speed
7.463 km/s
True Right ascension
01h 40m 27s
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
00:30:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.832 km
Perigee altitude
773.437 km
Semi-major axis
7,152.772 km
Eccentricity
0.00017
Inclination
86.4008°
RAAN
25.1136°
Arg. of periapsis
101.0328°
True anomaly
259.08676°
Mean anomaly
259.1056°
Eccentric anomaly
259.09618°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000094225
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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 | 2025-11-04 06:01:10.501Z | 189.741° SSW | 2025-11-04 06:05:10.501Z | 235.404° WSW | 42.742° | 2025-11-04 06:10:10.501Z | 357.258° N |
| 7 mins | 2025-11-04 16:33:10.501Z | 33.812° NE | 2025-11-04 16:36:10.501Z | 83.608° E | 25.412° | 2025-11-04 16:40:10.501Z | 137.319° SSE |
| 6 mins | 2025-11-04 18:14:10.501Z | 319.829° NNW | 2025-11-04 18:16:10.501Z | 286.467° WNW | 26.607° | 2025-11-04 18:20:10.501Z | 222.373° SW |
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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