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: 11 hours ago
TLE from 11 hours ago
0 IRIDIUM 146
1 43254U 18030F 26095.12587206 .00000198 00000-0 63511-4 0 9991
2 43254 86.3963 320.9862 0002253 87.1543 272.9911 14.34218640419665Epoch: 2026-04-05T03:01Z
TLE epoch observation values (Epoch: 2026-04-05T03:01:15.345Z)
Latitude
0.00004°
Longitude
82.23648°
Altitude
780.631 km
Speed
7.464 km/s
True Right ascension
21h 23m 56s
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
19:30:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.24 km
Perigee altitude
773.017 km
Semi-major axis
7,152.766 km
Eccentricity
0.00023
Inclination
86.3963°
RAAN
320.9862°
Arg. of periapsis
87.1543°
True anomaly
272.96532°
Mean anomaly
272.9911°
Eccentric anomaly
272.97821°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000063511
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-04-05 14:51:22.991Z | 146.098° SSE | 2026-04-05 14:55:22.991Z | 92.916° ESE | 28.687° | 2026-04-05 14:59:22.991Z | 27.443° NE |
| 7 mins | 2026-04-05 16:33:22.991Z | 234.629° WSW | 2026-04-05 16:36:22.991Z | 279.571° WNW | 23.642° | 2026-04-05 16:40:22.991Z | 334.611° NNW |
| 8 mins | 2026-04-06 03:03:22.991Z | 2.252° NNE | 2026-04-06 03:06:22.991Z | 36.067° NE | 43.726° | 2026-04-06 03:11:22.991Z | 174.02° S |
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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