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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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: 5 hours ago
TLE from 5 hours ago
0 IRIDIUM 145
1 43253U 18030E 26256.24040863 -.00000041 00000-0 -21598-4 0 9993
2 43253 86.3911 253.5724 0001962 84.3073 275.8346 14.34216857442745Epoch: 2026-09-13T05:46Z
TLE epoch observation values (Epoch: 2026-09-13T05:46:11.305Z)
Latitude
-0.00008°
Longitude
174.78739°
Altitude
780.579 km
Speed
7.464 km/s
True Right ascension
16h 54m 17s
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
03:32:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.038 km
Perigee altitude
773.231 km
Semi-major axis
7,152.772 km
Eccentricity
0.0002
Inclination
86.3911°
RAAN
253.5724°
Arg. of periapsis
84.3073°
True anomaly
275.81223°
Mean anomaly
275.8346°
Eccentric anomaly
275.82342°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.000021598
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-09-13 11:22:16.474Z | 20.366° NNE | 2026-09-13 11:26:16.474Z | 77.889° E | 32.665° | 2026-09-13 11:30:16.474Z | 139.602° SSE |
| 6 mins | 2026-09-13 13:04:16.474Z | 319.721° NNW | 2026-09-13 13:07:16.474Z | 271.058° WNW | 26.614° | 2026-09-13 13:10:16.474Z | 228.581° WSW |
| 9 mins | 2026-09-14 00:18:16.474Z | 171.293° S | 2026-09-14 00:22:16.474Z | 103.811° ESE | 70.618° | 2026-09-14 00:27:16.474Z | 7.473° NNE |
| 5 mins | 2026-09-14 10:50:16.474Z | 44.605° NE | 2026-09-14 10:52:16.474Z | 70.924° E | 18.098° | 2026-09-14 10:55:16.474Z | 110.77° ESE |
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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