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: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 145
1 43253U 18030E 26095.14490015 .00000193 00000-0 61894-4 0 9990
2 43253 86.3963 320.9658 0002475 90.4902 269.6577 14.34218761419653Epoch: 2026-04-05T03:28Z
TLE epoch observation values (Epoch: 2026-04-05T03:28:39.372Z)
Latitude
-0.00009°
Longitude
75.34721°
Altitude
780.726 km
Speed
7.463 km/s
True Right ascension
21h 23m 51s
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
19:19:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.399 km
Perigee altitude
772.858 km
Semi-major axis
7,152.765 km
Eccentricity
0.00025
Inclination
86.3963°
RAAN
320.9658°
Arg. of periapsis
90.4902°
True anomaly
269.62934°
Mean anomaly
269.6577°
Eccentric anomaly
269.64352°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000061894
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-04-05 15:18:50.727Z | 166.584° S | 2026-04-05 15:22:50.727Z | 101.72° ESE | 41.388° | 2026-04-05 15:27:50.727Z | 10.056° NNE |
| 4 mins | 2026-04-05 17:02:50.727Z | 268.42° W | 2026-04-05 17:03:50.727Z | 280.981° WNW | 13.871° | 2026-04-05 17:06:50.727Z | 317.033° NNW |
| 4 mins | 2026-04-06 01:51:50.727Z | 58.02° ENE | 2026-04-06 01:52:50.727Z | 71.323° E | 15.337° | 2026-04-06 01:55:50.727Z | 108.682° ESE |
| 8 mins | 2026-04-06 03:30:50.727Z | 342.71° N | 2026-04-06 03:33:50.727Z | 289.264° WNW | 39.22° | 2026-04-06 03:38:50.727Z | 195.924° SSW |
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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