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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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: 2 days ago
TLE from 2 days ago
0 IRIDIUM 154
1 43574U 18061F 26171.44095338 .00000165 00000-0 52021-4 0 9998
2 43574 86.3960 55.4465 0002157 88.8669 271.2774 14.34217651413873Epoch: 2026-06-20T10:34Z
TLE epoch observation values (Epoch: 2026-06-20T10:34:58.372Z)
Latitude
0.00001°
Longitude
-11.95225°
Altitude
780.684 km
Speed
7.464 km/s
True Right ascension
03h 41m 47s
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
21:36:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.175 km
Perigee altitude
773.089 km
Semi-major axis
7,152.769 km
Eccentricity
0.00022
Inclination
86.396°
RAAN
55.4465°
Arg. of periapsis
88.8669°
True anomaly
271.25269°
Mean anomaly
271.2774°
Eccentric anomaly
271.26504°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000052021
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-06-22 16:16:31.717Z | 160.111° S | 2026-06-22 16:21:31.717Z | 68.437° E | 36.858° | 2026-06-22 16:25:31.717Z | 15.059° NNE |
| 4 mins | 2026-06-22 18:00:31.717Z | 262.715° W | 2026-06-22 18:02:31.717Z | 290.919° WNW | 16.742° | 2026-06-22 18:04:31.717Z | 316.587° NNW |
| 8 mins | 2026-06-23 04:28:31.717Z | 349.881° N | 2026-06-23 04:32:31.717Z | 243.333° WSW | 42.677° | 2026-06-23 04:36:31.717Z | 189.196° SSW |
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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