IRIDIUM 151, 43074
Orbit data source: Space-Track
IRIDIUM 151, 43074 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 23 Dec 2017 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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43074 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: 1 day ago
TLE from 1 day ago
0 IRIDIUM 151
1 43074U 17083E 25260.99091509 -.00000020 00000-0 -14279-4 0 9995
2 43074 86.3908 75.8405 0002129 84.0198 276.1240 14.34217359405120Epoch: 2025-09-17T23:46Z
TLE epoch observation values (Epoch: 2025-09-17T23:46:55.063Z)
Latitude
-0.00008°
Longitude
81.95214°
Altitude
780.557 km
Speed
7.464 km/s
True Right ascension
05h 03m 21s
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
20:11:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.156 km
Perigee altitude
773.11 km
Semi-major axis
7,152.77 km
Eccentricity
0.00021
Inclination
86.3908°
RAAN
75.8405°
Arg. of periapsis
84.0198°
True anomaly
276.09974°
Mean anomaly
276.124°
Eccentric anomaly
276.11187°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.000014279
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Other satellites on launch #83 in the year 2017 (2017-12-23 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 151 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 | 2025-09-19 11:05:33.032Z | 114.564° SE | 2025-09-19 11:08:33.032Z | 73.623° E | 17.833° | 2025-09-19 11:11:33.032Z | 37.646° NE |
| 8 mins | 2025-09-19 12:44:33.032Z | 207.821° SW | 2025-09-19 12:48:33.032Z | 280.858° WNW | 35.841° | 2025-09-19 12:52:33.032Z | 346.464° N |
| 8 mins | 2025-09-19 23:15:33.032Z | 20.148° NNE | 2025-09-19 23:18:33.032Z | 72.661° E | 34.065° | 2025-09-19 23:23:33.032Z | 153.514° SSE |
| 6 mins | 2025-09-20 00:56:33.032Z | 316.097° NNW | 2025-09-20 00:59:33.032Z | 274.23° WNW | 19.079° | 2025-09-20 01:02:33.032Z | 236.418° 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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