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: 23 hours ago
TLE from 23 hours ago
0 IRIDIUM 154
1 43574U 18061F 25260.15761955 .00000166 00000-0 52342-4 0 9996
2 43574 86.4047 170.9067 0002257 82.5967 277.5485 14.34217163374270Epoch: 2025-09-17T03:46Z
TLE epoch observation values (Epoch: 2025-09-17T03:46:58.329Z)
Latitude
-0.00002°
Longitude
117.82607°
Altitude
780.508 km
Speed
7.464 km/s
True Right ascension
11h 23m 37s
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
19:15:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.248 km
Perigee altitude
773.019 km
Semi-major axis
7,152.77 km
Eccentricity
0.00023
Inclination
86.4047°
RAAN
170.9067°
Arg. of periapsis
82.5967°
True anomaly
277.52286°
Mean anomaly
277.5485°
Eccentric anomaly
277.53568°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000052342
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-18 05:28:35.618Z | 20.872° NNE | 2025-09-18 05:32:35.618Z | 77.164° E | 27.408° | 2025-09-18 05:36:35.618Z | 138.115° SSE |
| 7 mins | 2025-09-18 07:10:35.618Z | 320.988° NNW | 2025-09-18 07:13:35.618Z | 271.574° WNW | 24.88° | 2025-09-18 07:17:35.618Z | 220.3° SW |
| 8 mins | 2025-09-18 18:25:35.618Z | 167.187° S | 2025-09-18 18:28:35.618Z | 108.358° ESE | 42.64° | 2025-09-18 18:33:35.618Z | 8.397° NNE |
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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