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: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 151
1 43074U 17083E 26222.71688897 .00000057 00000-0 13314-4 0 9993
2 43074 86.3974 299.2698 0002303 93.8676 266.2783 14.34217875451959Epoch: 2026-08-10T17:12Z
TLE epoch observation values (Epoch: 2026-08-10T17:12:19.207Z)
Latitude
-0.00001°
Longitude
81.99424°
Altitude
780.825 km
Speed
7.463 km/s
True Right ascension
19h 57m 04s
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
17:09:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.279 km
Perigee altitude
772.984 km
Semi-major axis
7,152.768 km
Eccentricity
0.00023
Inclination
86.3974°
RAAN
299.2698°
Arg. of periapsis
93.8676°
True anomaly
266.25197°
Mean anomaly
266.2783°
Eccentric anomaly
266.26513°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000013314
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-08-11 05:02:41.593Z | 145.328° SSE | 2026-08-11 05:06:41.593Z | 87.136° E | 29.344° | 2026-08-11 05:10:41.593Z | 25.353° NE |
| 7 mins | 2026-08-11 06:44:41.593Z | 237.635° WSW | 2026-08-11 06:47:41.593Z | 284.164° WNW | 23.223° | 2026-08-11 06:51:41.593Z | 336.015° NNW |
| 9 mins | 2026-08-11 17:13:41.593Z | 0.549° NNE | 2026-08-11 17:17:41.593Z | 56.107° ENE | 44.501° | 2026-08-11 17:22:41.593Z | 175.014° S |
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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