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, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 IRIDIUM 151
1 43074U 17083E 25303.27063810 .00000407 00000-0 13821-3 0 9996
2 43074 86.3972 58.1526 0001905 97.9784 262.1628 14.34218968411189Epoch: 2025-10-30T06:29Z
TLE epoch observation values (Epoch: 2025-10-30T06:29:43.131Z)
Latitude
-0.00005°
Longitude
-78.10894°
Altitude
780.9 km
Speed
7.463 km/s
True Right ascension
03h 52m 36s
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
09:11:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.99 km
Perigee altitude
773.265 km
Semi-major axis
7,152.765 km
Eccentricity
0.00019
Inclination
86.3972°
RAAN
58.1526°
Arg. of periapsis
97.9784°
True anomaly
262.14117°
Mean anomaly
262.1628°
Eccentric anomaly
262.15199°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00013821
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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 | 2025-10-30 18:48:36.470Z | 38.239° NE | 2025-10-30 18:51:36.470Z | 78.181° E | 18.26° | 2025-10-30 18:54:36.470Z | 116.939° SE |
| 8 mins | 2025-10-30 20:28:36.470Z | 340.302° N | 2025-10-30 20:32:36.470Z | 267.687° W | 35.62° | 2025-10-30 20:36:36.470Z | 204.45° SW |
| 8 mins | 2025-10-31 07:44:36.470Z | 145.421° SSE | 2025-10-31 07:47:36.470Z | 94.214° ESE | 32.627° | 2025-10-31 07:52:36.470Z | 18.218° NNE |
| 6 mins | 2025-10-31 09:26:36.470Z | 250.131° W | 2025-10-31 09:28:36.470Z | 280.083° WNW | 20.413° | 2025-10-31 09:32:36.470Z | 331.781° 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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