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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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 26171.38286245 .00000177 00000-0 56275-4 0 9999
2 43254 86.3961 289.0808 0002133 97.8312 262.3126 14.34217191430593Epoch: 2026-06-20T09:11Z
TLE epoch observation values (Epoch: 2026-06-20T09:11:19.315Z)
Latitude
-0.00004°
Longitude
-117.34796°
Altitude
780.924 km
Speed
7.463 km/s
True Right ascension
19h 16m 19s
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
00:51:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.159 km
Perigee altitude
773.108 km
Semi-major axis
7,152.771 km
Eccentricity
0.00021
Inclination
86.3961°
RAAN
289.0808°
Arg. of periapsis
97.8312°
True anomaly
262.28838°
Mean anomaly
262.3126°
Eccentric anomaly
262.30049°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000056275
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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 | 2026-06-22 18:42:40.389Z | 36.849° NE | 2026-06-22 18:45:40.389Z | 76.071° E | 18.316° | 2026-06-22 18:48:40.389Z | 115.679° SE |
| 7 mins | 2026-06-22 20:23:40.389Z | 334.633° NNW | 2026-06-22 20:26:40.389Z | 272.561° WNW | 35.622° | 2026-06-22 20:30:40.389Z | 205.21° SW |
| 8 mins | 2026-06-23 07:38:40.389Z | 146.556° SSE | 2026-06-23 07:41:40.389Z | 98.26° ESE | 32.46° | 2026-06-23 07:46:40.389Z | 18.764° NNE |
| 6 mins | 2026-06-23 09:20:40.389Z | 248.5° W | 2026-06-23 09:22:40.389Z | 277.768° WNW | 20.302° | 2026-06-23 09:26:40.389Z | 330.628° NNW |
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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