IRIDIUM 154, 43574
Orbit data source: Space-Track
IRIDIUM 154, 43574 is a payload satellite owned by Iridium (US) in LEO that was launched on Wed, 25 Jul 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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43574 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
NGIS 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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 154
1 43574U 18061F 25258.76224835 .00000275 00000-0 91018-4 0 9995
2 43574 86.4047 171.4885 0002226 82.7109 277.4340 14.34218614374079Epoch: 2025-09-15T18:17Z
TLE epoch observation values (Epoch: 2025-09-15T18:17:38.257Z)
Latitude
0°
Longitude
-97.88315°
Altitude
780.51 km
Speed
7.464 km/s
True Right ascension
11h 25m 57s
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
02:15:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.221 km
Perigee altitude
773.036 km
Semi-major axis
7,152.766 km
Eccentricity
0.00022
Inclination
86.4047°
RAAN
171.4885°
Arg. of periapsis
82.7109°
True anomaly
277.40871°
Mean anomaly
277.434°
Eccentric anomaly
277.42135°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000091018
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Other satellites on launch #61 in the year 2018 (2018-07-25 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 154 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-16 17:51:51.899Z | 131.996° SE | 2025-09-16 17:55:51.899Z | 74.864° E | 22.843° | 2025-09-16 17:58:51.899Z | 34.306° NE |
| 7 mins | 2025-09-16 19:32:51.899Z | 224.393° SW | 2025-09-16 19:35:51.899Z | 275.905° WNW | 29.515° | 2025-09-16 19:39:51.899Z | 339.147° N |
| 8 mins | 2025-09-17 06:02:51.899Z | 11.019° NNE | 2025-09-17 06:06:51.899Z | 109.138° ESE | 39.609° | 2025-09-17 06:10:51.899Z | 162.853° S |
| 4 mins | 2025-09-17 07:44:51.899Z | 303.075° NW | 2025-09-17 07:46:51.899Z | 277.315° WNW | 14.628° | 2025-09-17 07:48:51.899Z | 253.006° W |
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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