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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 143
1 43258U 18030K 25308.68378971 -.00000012 00000-0 -11233-4 0 9990
2 43258 86.4006 24.3949 0001795 101.4312 258.7085 14.34217411397915Epoch: 2025-11-04T16:24Z
TLE epoch observation values (Epoch: 2025-11-04T16:24:39.430Z)
Latitude
-0.0001°
Longitude
94.06332°
Altitude
780.971 km
Speed
7.463 km/s
True Right ascension
01h 37m 34s
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
03:31:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.917 km
Perigee altitude
773.349 km
Semi-major axis
7,152.77 km
Eccentricity
0.00018
Inclination
86.4006°
RAAN
24.3949°
Arg. of periapsis
101.4312°
True anomaly
258.68833°
Mean anomaly
258.7085°
Eccentric anomaly
258.69841°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.000011233
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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 | 2025-11-05 16:25:52.152Z | 23.588° NE | 2025-11-05 16:29:52.152Z | 78.734° E | 24.927° | 2025-11-05 16:33:52.152Z | 134.909° SE |
| 7 mins | 2025-11-05 18:07:52.152Z | 323.081° NNW | 2025-11-05 18:10:52.152Z | 269.581° W | 27.378° | 2025-11-05 18:14:52.152Z | 216.375° SW |
| 8 mins | 2025-11-06 05:22:52.152Z | 160.928° S | 2025-11-06 05:25:52.152Z | 99.08° ESE | 40.658° | 2025-11-06 05:30:52.152Z | 10.869° NNE |
| 4 mins | 2025-11-06 07:05:52.152Z | 268.316° W | 2025-11-06 07:06:52.152Z | 281.19° WNW | 14.499° | 2025-11-06 07:09:52.152Z | 317.76° NNW |
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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