IRIDIUM 140, 43252
Orbit data source: Space-Track
IRIDIUM 140, 43252 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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43252 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: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 140
1 43252U 18030D 26256.04378629 -.00000033 00000-0 -18945-4 0 9997
2 43252 86.3911 253.6826 0002209 87.9485 272.1964 14.34217164442781Epoch: 2026-09-13T01:03Z
TLE epoch observation values (Epoch: 2026-09-13T01:03:03.135Z)
Latitude
0°
Longitude
-114.12456°
Altitude
780.66 km
Speed
7.464 km/s
True Right ascension
16h 54m 43s
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
03:32:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.214 km
Perigee altitude
773.054 km
Semi-major axis
7,152.771 km
Eccentricity
0.00022
Inclination
86.3911°
RAAN
253.6826°
Arg. of periapsis
87.9485°
True anomaly
272.17111°
Mean anomaly
272.1964°
Eccentric anomaly
272.18375°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.000018945
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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 140 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-09-13 11:40:25.608Z | 11.443° NNE | 2026-09-13 11:44:25.608Z | 69.836° E | 47.845° | 2026-09-13 11:49:25.608Z | 157.295° SSE |
| 5 mins | 2026-09-13 13:23:25.608Z | 303.216° NW | 2026-09-13 13:25:25.608Z | 274.977° WNW | 18.089° | 2026-09-13 13:28:25.608Z | 239.144° WSW |
| 8 mins | 2026-09-14 00:37:25.608Z | 188.881° SSW | 2026-09-14 00:40:25.608Z | 236.54° WSW | 74.727° | 2026-09-14 00:45:25.608Z | 359.09° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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