IRIDIUM 145, 43253
Orbit data source: Space-Track
IRIDIUM 145, 43253 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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43253 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, 4.7 m
Radar Cross Section
14.423 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 IRIDIUM 145
1 43253U 18030E 25258.51388329 .00000087 00000-0 23897-4 0 9998
2 43253 86.3956 45.2121 0002491 85.7635 274.3846 14.34217762390756Epoch: 2025-09-15T12:19Z
TLE epoch observation values (Epoch: 2025-09-15T12:19:59.516Z)
Latitude
0.00005°
Longitude
-134.50333°
Altitude
780.582 km
Speed
7.464 km/s
True Right ascension
03h 00m 50s
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
15:47:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.413 km
Perigee altitude
772.85 km
Semi-major axis
7,152.769 km
Eccentricity
0.00025
Inclination
86.3956°
RAAN
45.2121°
Arg. of periapsis
85.7635°
True anomaly
274.35614°
Mean anomaly
274.3846°
Eccentric anomaly
274.37037°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000023897
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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 145 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 | 2025-09-16 10:12:09.965Z | 171.796° S | 2025-09-16 10:17:09.965Z | 91.024° ESE | 43.087° | 2025-09-16 10:22:09.965Z | 7.781° NNE |
| 5 mins | 2025-09-16 20:45:09.965Z | 46.962° ENE | 2025-09-16 20:47:09.965Z | 73.654° E | 16.85° | 2025-09-16 20:50:09.965Z | 112.21° ESE |
| 8 mins | 2025-09-16 22:25:09.965Z | 338.66° N | 2025-09-16 22:28:09.965Z | 279.377° WNW | 37.544° | 2025-09-16 22:33:09.965Z | 198.738° SSW |
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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