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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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: 3 hours ago
TLE from 3 hours ago
0 IRIDIUM 151
1 43074U 17083E 26132.85503550 .00000148 00000-0 45618-4 0 9993
2 43074 86.3965 336.8367 0002126 87.3232 272.8207 14.34217514439072Epoch: 2026-05-12T20:31Z
TLE epoch observation values (Epoch: 2026-05-12T20:31:15.067Z)
Latitude
-0.00002°
Longitude
158.40049°
Altitude
780.644 km
Speed
7.464 km/s
True Right ascension
22h 27m 20s
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
08:10:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.153 km
Perigee altitude
773.112 km
Semi-major axis
7,152.769 km
Eccentricity
0.00021
Inclination
86.3965°
RAAN
336.8367°
Arg. of periapsis
87.3232°
True anomaly
272.79637°
Mean anomaly
272.8207°
Eccentric anomaly
272.80853°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000045618
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-13 00:28:28.980Z | 48.532° ENE | 2026-05-13 00:30:28.980Z | 73.758° E | 14.871° | 2026-05-13 00:33:28.980Z | 109.779° ESE |
| 8 mins | 2026-05-13 02:08:28.980Z | 342.931° N | 2026-05-13 02:11:28.980Z | 281.741° WNW | 40.238° | 2026-05-13 02:16:28.980Z | 194.226° SSW |
| 7 mins | 2026-05-13 13:24:28.980Z | 131.263° SE | 2026-05-13 13:27:28.980Z | 76.271° E | 27.758° | 2026-05-13 13:31:28.980Z | 23.826° NE |
| 6 mins | 2026-05-13 15:05:28.980Z | 241.147° WSW | 2026-05-13 15:07:28.980Z | 273.746° WNW | 24.35° | 2026-05-13 15:11:28.980Z | 333.144° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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