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: 2 days ago
TLE from 2 days ago
0 IRIDIUM 146
1 43254U 18030F 25306.21652098 .00000446 00000-0 15220-3 0 9996
2 43254 86.4009 25.2960 0001914 97.9556 262.1857 14.34217188397602Epoch: 2025-11-02T05:11Z
TLE epoch observation values (Epoch: 2025-11-02T05:11:47.412Z)
Latitude
-0.00004°
Longitude
-94.38698°
Altitude
780.907 km
Speed
7.463 km/s
True Right ascension
01h 41m 11s
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
00:35:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.002 km
Perigee altitude
773.264 km
Semi-major axis
7,152.77 km
Eccentricity
0.00019
Inclination
86.4009°
RAAN
25.296°
Arg. of periapsis
97.9556°
True anomaly
262.16397°
Mean anomaly
262.1857°
Eccentric anomaly
262.17484°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.0001522
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-11-04 05:51:24.713Z | 181.731° SSW | 2025-11-04 05:56:24.713Z | 234.895° WSW | 44.974° | 2025-11-04 06:01:24.713Z | 2.028° NNE |
| 6 mins | 2025-11-04 16:24:24.713Z | 42.163° NE | 2025-11-04 16:26:24.713Z | 72.198° E | 21.498° | 2025-11-04 16:30:24.713Z | 127.297° SE |
| 7 mins | 2025-11-04 18:04:24.713Z | 330.961° NNW | 2025-11-04 18:07:24.713Z | 278.605° WNW | 31.265° | 2025-11-04 18:11:24.713Z | 213.143° 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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