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: 11 hours ago
TLE from 11 hours ago
0 IRIDIUM 154
1 43574U 18061F 25348.90317676 .00000489 00000-0 16738-3 0 9999
2 43574 86.3977 133.8565 0002025 92.1023 268.0404 14.34219572386999Epoch: 2025-12-14T21:40Z
TLE epoch observation values (Epoch: 2025-12-14T21:40:34.472Z)
Latitude
-0.00007°
Longitude
84.90344°
Altitude
780.762 km
Speed
7.463 km/s
True Right ascension
08h 55m 25s
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
07:27:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.074 km
Perigee altitude
773.177 km
Semi-major axis
7,152.763 km
Eccentricity
0.0002
Inclination
86.3977°
RAAN
133.8565°
Arg. of periapsis
92.1023°
True anomaly
268.01721°
Mean anomaly
268.0404°
Eccentric anomaly
268.0288°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00016738
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Other satellites on launch #61 in the year 2018 (2018-07-25 UTC)
Did you know?
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 | 2025-12-15 09:30:53.695Z | 138.269° SSE | 2025-12-15 09:34:53.695Z | 87.077° E | 24.15° | 2025-12-15 09:38:53.695Z | 30.421° NE |
| 7 mins | 2025-12-15 11:12:53.695Z | 229.932° WSW | 2025-12-15 11:15:53.695Z | 284.382° WNW | 28.166° | 2025-12-15 11:19:53.695Z | 340.259° N |
| 8 mins | 2025-12-15 21:42:53.695Z | 10.761° NNE | 2025-12-15 21:45:53.695Z | 74.035° E | 41.383° | 2025-12-15 21:50:53.695Z | 166.023° S |
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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