IRIDIUM 143, 43258
Orbit data source: Space-Track
IRIDIUM 143, 43258 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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43258 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: 19 hours ago
TLE from 19 hours ago
0 IRIDIUM 143
1 43258U 18030K 25258.17138282 .00000121 00000-0 35968-4 0 9997
2 43258 86.3958 45.4957 0002539 86.2953 273.8533 14.34218633390670Epoch: 2025-09-15T04:06Z
TLE epoch observation values (Epoch: 2025-09-15T04:06:47.475Z)
Latitude
-0.00004°
Longitude
-10.58198°
Altitude
780.593 km
Speed
7.464 km/s
True Right ascension
03h 01m 58s
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
15:46:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.445 km
Perigee altitude
772.813 km
Semi-major axis
7,152.766 km
Eccentricity
0.00025
Inclination
86.3958°
RAAN
45.4957°
Arg. of periapsis
86.2953°
True anomaly
273.82427°
Mean anomaly
273.8533°
Eccentric anomaly
273.83879°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000035968
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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 143 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-15 23:07:15.123Z | 325.028° NNW | 2025-09-15 23:10:15.123Z | 286.884° WNW | 20.906° | 2025-09-15 23:14:15.123Z | 231.682° WSW |
| 9 mins | 2025-09-16 10:22:15.123Z | 177.819° S | 2025-09-16 10:26:15.123Z | 109.422° ESE | 44.808° | 2025-09-16 10:31:15.123Z | 4.093° NNE |
| 6 mins | 2025-09-16 20:54:15.123Z | 43.644° NE | 2025-09-16 20:56:15.123Z | 72.327° E | 19.783° | 2025-09-16 21:00:15.123Z | 124.728° SE |
| 8 mins | 2025-09-16 22:34:15.123Z | 333.712° NNW | 2025-09-16 22:37:15.123Z | 279.647° WNW | 33.45° | 2025-09-16 22:42:15.123Z | 204.924° SW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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