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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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: 14 hours ago
TLE from 14 hours ago
0 IRIDIUM 140
1 43252U 18030D 25258.38702985 .00000321 00000-0 10772-3 0 9998
2 43252 86.3954 45.2924 0002292 92.1054 268.0405 14.34219228390806Epoch: 2025-09-15T09:17Z
TLE epoch observation values (Epoch: 2025-09-15T09:17:19.379Z)
Latitude
0.00008°
Longitude
-88.63076°
Altitude
780.77 km
Speed
7.463 km/s
True Right ascension
03h 01m 10s
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
15:49:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.266 km
Perigee altitude
772.987 km
Semi-major axis
7,152.764 km
Eccentricity
0.00023
Inclination
86.3954°
RAAN
45.2924°
Arg. of periapsis
92.1054°
True anomaly
268.01425°
Mean anomaly
268.0405°
Eccentric anomaly
268.02738°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00010772
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-09-15 23:16:43.114Z | 319.03° NNW | 2025-09-15 23:19:43.114Z | 281.172° WNW | 17.644° | 2025-09-15 23:22:43.114Z | 242.424° WSW |
| 8 mins | 2025-09-16 10:31:43.114Z | 186.905° SSW | 2025-09-16 10:35:43.114Z | 310.764° NW | 44.216° | 2025-09-16 10:39:43.114Z | 359.097° N |
| 7 mins | 2025-09-16 21:02:43.114Z | 32.631° NE | 2025-09-16 21:05:43.114Z | 77.416° E | 23.59° | 2025-09-16 21:09:43.114Z | 132.479° SE |
| 7 mins | 2025-09-16 22:43:43.114Z | 325.463° NNW | 2025-09-16 22:46:43.114Z | 270.842° WNW | 28.905° | 2025-09-16 22:50:43.114Z | 214.723° SW |
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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