IRIDIUM 146, 43254
Orbit data source: Space-Track
IRIDIUM 146, 43254 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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43254 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: 14 hours ago
TLE from 14 hours ago
0 IRIDIUM 146
1 43254U 18030F 25353.10097149 .00000236 00000-0 77369-4 0 9996
2 43254 86.3966 5.7025 0002407 92.0392 268.1080 14.34214596404322Epoch: 2025-12-19T02:25Z
TLE epoch observation values (Epoch: 2025-12-19T02:25:23.936Z)
Latitude
0.00001°
Longitude
-118.5942°
Altitude
780.786 km
Speed
7.463 km/s
True Right ascension
00h 22m 48s
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
15:21:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.364 km
Perigee altitude
772.92 km
Semi-major axis
7,152.779 km
Eccentricity
0.00024
Inclination
86.3966°
RAAN
5.7025°
Arg. of periapsis
92.0392°
True anomaly
268.08043°
Mean anomaly
268.108°
Eccentric anomaly
268.09422°
Mean motion
3.58782 °/min
Orbital period
100.34 mins
BSTAR
0.000077369
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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 146 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 | 2025-12-20 00:19:58.266Z | 115.854° SE | 2025-12-20 00:22:58.266Z | 78.576° E | 16.402° | 2025-12-20 00:25:58.266Z | 41.882° NE |
| 8 mins | 2025-12-20 01:59:58.266Z | 207.833° SW | 2025-12-20 02:02:58.266Z | 267.983° W | 37.957° | 2025-12-20 02:07:58.266Z | 351.408° N |
| 8 mins | 2025-12-20 12:29:58.266Z | 20.38° NNE | 2025-12-20 12:33:58.266Z | 92.992° ESE | 31.752° | 2025-12-20 12:37:58.266Z | 148.675° SSE |
| 5 mins | 2025-12-20 14:11:58.266Z | 310.02° NW | 2025-12-20 14:13:58.266Z | 279.382° WNW | 20.921° | 2025-12-20 14:16:58.266Z | 237.062° 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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