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: 1 day ago
TLE from 1 day ago
0 IRIDIUM 143
1 43258U 18030K 25259.91559561 .00000050 00000-0 10883-4 0 9997
2 43258 86.3962 44.7664 0002527 85.5528 274.5957 14.34218219390925Epoch: 2025-09-16T21:58Z
TLE epoch observation values (Epoch: 2025-09-16T21:58:27.46Z)
Latitude
0.00002°
Longitude
79.05294°
Altitude
780.572 km
Speed
7.464 km/s
True Right ascension
02h 59m 03s
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
19:15:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.438 km
Perigee altitude
772.823 km
Semi-major axis
7,152.767 km
Eccentricity
0.00025
Inclination
86.3962°
RAAN
44.7664°
Arg. of periapsis
85.5528°
True anomaly
274.56684°
Mean anomaly
274.5957°
Eccentric anomaly
274.58127°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000010883
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-18 09:15:36.881Z | 133.547° SE | 2025-09-18 09:19:36.881Z | 81.089° E | 22.327° | 2025-09-18 09:23:36.881Z | 29.879° NE |
| 8 mins | 2025-09-18 10:56:36.881Z | 220.25° SW | 2025-09-18 10:59:36.881Z | 267.222° W | 29.989° | 2025-09-18 11:04:36.881Z | 343.927° N |
| 8 mins | 2025-09-18 21:26:36.881Z | 10.525° NNE | 2025-09-18 21:30:36.881Z | 91.905° ESE | 39.599° | 2025-09-18 21:34:36.881Z | 160.327° S |
| 4 mins | 2025-09-18 23:09:36.881Z | 295.185° NW | 2025-09-18 23:10:36.881Z | 281.78° WNW | 15.231° | 2025-09-18 23:13:36.881Z | 245.825° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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