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, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 IRIDIUM 143
1 43258U 18030K 25306.31165950 -.00000010 00000-0 -10592-4 0 9994
2 43258 86.4010 25.3857 0001749 100.0825 260.0568 14.34217616397573Epoch: 2025-11-02T07:28Z
TLE epoch observation values (Epoch: 2025-11-02T07:28:47.380Z)
Latitude
-0.00006°
Longitude
-128.64092°
Altitude
780.935 km
Speed
7.463 km/s
True Right ascension
01h 41m 32s
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
00:35:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.883 km
Perigee altitude
773.381 km
Semi-major axis
7,152.769 km
Eccentricity
0.00017
Inclination
86.401°
RAAN
25.3857°
Arg. of periapsis
100.0825°
True anomaly
260.03706°
Mean anomaly
260.0568°
Eccentric anomaly
260.04693°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.000010592
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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 | 2025-11-04 04:49:25.339Z | 125.948° SE | 2025-11-04 04:52:25.339Z | 86.56° E | 20.663° | 2025-11-04 04:56:25.339Z | 33.648° NE |
| 8 mins | 2025-11-04 06:29:25.339Z | 214.862° SW | 2025-11-04 06:33:25.339Z | 285.447° WNW | 32.122° | 2025-11-04 06:37:25.339Z | 343.891° N |
| 8 mins | 2025-11-04 17:00:25.339Z | 16.796° NNE | 2025-11-04 17:03:25.339Z | 77.14° E | 37.76° | 2025-11-04 17:08:25.339Z | 159.578° S |
| 4 mins | 2025-11-04 18:42:25.339Z | 300.123° NW | 2025-11-04 18:43:25.339Z | 286.483° WNW | 16.435° | 2025-11-04 18:46:25.339Z | 247.425° 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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