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: 9 hours ago
TLE from 9 hours ago
0 IRIDIUM 146
1 43254U 18030F 26035.40402052 -.00000015 00000-0 -12528-4 0 9993
2 43254 86.4004 345.9298 0001918 82.6850 277.4564 14.34218295411101Epoch: 2026-02-04T09:41Z
TLE epoch observation values (Epoch: 2026-02-04T09:41:47.372Z)
Latitude
-0.00003°
Longitude
65.91132°
Altitude
780.538 km
Speed
7.464 km/s
True Right ascension
23h 03m 43s
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
20:17:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.002 km
Perigee altitude
773.258 km
Semi-major axis
7,152.767 km
Eccentricity
0.00019
Inclination
86.4004°
RAAN
345.9298°
Arg. of periapsis
82.685°
True anomaly
277.43461°
Mean anomaly
277.4564°
Eccentric anomaly
277.4455°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.000012528
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-02-04 19:53:26.171Z | 110.935° ESE | 2026-02-04 19:56:26.171Z | 73.834° E | 15.011° | 2026-02-04 19:58:26.171Z | 49.357° ENE |
| 8 mins | 2026-02-04 21:32:26.171Z | 200.63° SSW | 2026-02-04 21:36:26.171Z | 284.304° WNW | 39.72° | 2026-02-04 21:40:26.171Z | 350.99° N |
| 7 mins | 2026-02-05 08:03:26.171Z | 25.234° NE | 2026-02-05 08:06:26.171Z | 75.297° E | 30.053° | 2026-02-05 08:10:26.171Z | 141.828° SSE |
| 6 mins | 2026-02-05 09:44:26.171Z | 319.01° NNW | 2026-02-05 09:47:26.171Z | 273.094° WNW | 22.434° | 2026-02-05 09:50:26.171Z | 231.661° 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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