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: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 154
1 43574U 18061F 25351.34507611 .00000139 00000-0 42532-4 0 9995
2 43574 86.3981 132.8365 0002024 92.3666 267.7761 14.34217060387347Epoch: 2025-12-17T08:16Z
TLE epoch observation values (Epoch: 2025-12-17T08:16:54.575Z)
Latitude
-0.00011°
Longitude
-77.60717°
Altitude
780.777 km
Speed
7.463 km/s
True Right ascension
08h 51m 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
16:41:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.082 km
Perigee altitude
773.186 km
Semi-major axis
7,152.771 km
Eccentricity
0.0002
Inclination
86.3981°
RAAN
132.8365°
Arg. of periapsis
92.3666°
True anomaly
267.75292°
Mean anomaly
267.7761°
Eccentric anomaly
267.76451°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000042532
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-17 20:36:06.189Z | 42.049° NE | 2025-12-17 20:39:06.189Z | 82.719° E | 17.425° | 2025-12-17 20:42:06.189Z | 118.82° SE |
| 8 mins | 2025-12-17 22:16:06.189Z | 339.73° N | 2025-12-17 22:20:06.189Z | 256.056° W | 36.046° | 2025-12-17 22:24:06.189Z | 201.631° SSW |
| 7 mins | 2025-12-18 09:32:06.189Z | 141.295° SSE | 2025-12-18 09:35:06.189Z | 85.208° E | 31.852° | 2025-12-18 09:39:06.189Z | 22.488° NNE |
| 6 mins | 2025-12-18 11:13:06.189Z | 241.28° WSW | 2025-12-18 11:16:06.189Z | 285.296° WNW | 21.146° | 2025-12-18 11:19:06.189Z | 326.534° 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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