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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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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 143
1 43258U 18030K 26182.71072997 .00000256 00000-0 84203-4 0 9999
2 43258 86.3970 284.4868 0002250 98.8899 261.2552 14.34216958432170Epoch: 2026-07-01T17:03Z
TLE epoch observation values (Epoch: 2026-07-01T17:03:27.069Z)
Latitude
0.00002°
Longitude
108.86045°
Altitude
780.966 km
Speed
7.463 km/s
True Right ascension
18h 57m 56s
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
19:32:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.244 km
Perigee altitude
773.025 km
Semi-major axis
7,152.771 km
Eccentricity
0.00023
Inclination
86.397°
RAAN
284.4868°
Arg. of periapsis
98.8899°
True anomaly
261.22972°
Mean anomaly
261.2552°
Eccentric anomaly
261.24246°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000084203
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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 | 2026-07-02 08:15:14.724Z | 224.395° SW | 2026-07-02 08:19:14.724Z | 283.861° WNW | 25.975° | 2026-07-02 08:23:14.724Z | 338.236° N |
| 8 mins | 2026-07-02 18:46:14.724Z | 6.986° NNE | 2026-07-02 18:49:14.724Z | 69.004° E | 43.032° | 2026-07-02 18:54:14.724Z | 169.859° S |
| 5 mins | 2026-07-03 06:03:14.724Z | 104.363° ESE | 2026-07-03 06:05:14.724Z | 78.216° E | 15.719° | 2026-07-03 06:08:14.724Z | 42.234° NE |
| 8 mins | 2026-07-03 07:42:14.724Z | 205.992° SW | 2026-07-03 07:45:14.724Z | 268.543° W | 38.931° | 2026-07-03 07:50:14.724Z | 352.387° N |
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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