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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 146
1 43254U 18030F 26305.19888204 .00000163 00000-0 51264-4 0 9998
2 43254 86.3983 233.1086 0002184 86.0309 274.1137 14.34218623449771Epoch: 2026-11-01T04:46Z
TLE epoch observation values (Epoch: 2026-11-01T04:46:23.408Z)
Latitude
0.00004°
Longitude
121.01738°
Altitude
780.603 km
Speed
7.464 km/s
True Right ascension
15h 32m 26s
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
15:26:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.191 km
Perigee altitude
773.067 km
Semi-major axis
7,152.766 km
Eccentricity
0.00022
Inclination
86.3983°
RAAN
233.1086°
Arg. of periapsis
86.0309°
True anomaly
274.08874°
Mean anomaly
274.1137°
Eccentric anomaly
274.10122°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000051264
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-11-01 19:57:07.420Z | 182.85° SSW | 2026-11-01 20:02:07.420Z | 345.623° N | 75.831° | 2026-11-01 20:06:07.420Z | 1.197° NNE |
| 7 mins | 2026-11-02 06:29:07.420Z | 35.372° NE | 2026-11-02 06:32:07.420Z | 79.622° E | 24.067° | 2026-11-02 06:36:07.420Z | 131.193° SE |
| 8 mins | 2026-11-02 08:09:07.420Z | 334.632° NNW | 2026-11-02 08:13:07.420Z | 267.353° W | 36.329° | 2026-11-02 08:17:07.420Z | 211.568° SW |
| 8 mins | 2026-11-02 19:25:07.420Z | 153.548° SSE | 2026-11-02 19:28:07.420Z | 92.296° ESE | 50.768° | 2026-11-02 19:33:07.420Z | 13.588° NNE |
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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