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, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 IRIDIUM 154
1 43574U 18061F 25352.46137218 .00000261 00000-0 86260-4 0 9993
2 43574 86.3980 132.3702 0002045 92.7436 267.3994 14.34217952387500Epoch: 2025-12-18T11:04Z
TLE epoch observation values (Epoch: 2025-12-18T11:04:22.556Z)
Latitude
-0.00001°
Longitude
-121.04033°
Altitude
780.784 km
Speed
7.463 km/s
True Right ascension
08h 49m 28s
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
22:06:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.094 km
Perigee altitude
773.168 km
Semi-major axis
7,152.768 km
Eccentricity
0.0002
Inclination
86.398°
RAAN
132.3702°
Arg. of periapsis
92.7436°
True anomaly
267.37599°
Mean anomaly
267.3994°
Eccentric anomaly
267.3877°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00008626
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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 | 2025-12-19 08:58:17.055Z | 126.302° SE | 2025-12-19 09:02:17.055Z | 73.107° E | 19.614° | 2025-12-19 09:05:17.055Z | 35.973° NE |
| 7 mins | 2025-12-19 10:39:17.055Z | 219.321° SW | 2025-12-19 10:42:17.055Z | 280.311° WNW | 33.416° | 2025-12-19 10:46:17.055Z | 343.975° N |
| 8 mins | 2025-12-19 21:09:17.055Z | 17.1° NNE | 2025-12-19 21:12:17.055Z | 70.859° E | 36.389° | 2025-12-19 21:17:17.055Z | 157.163° SSE |
| 5 mins | 2025-12-19 22:51:17.055Z | 303.02° NW | 2025-12-19 22:53:17.055Z | 274.591° WNW | 17.263° | 2025-12-19 22:56:17.055Z | 238.757° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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