IRIDIUM 159, 43578
Orbit data source: Space-Track
IRIDIUM 159, 43578 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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43578 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: 16 hours ago
TLE from 16 hours ago
0 IRIDIUM 159
1 43578U 18061K 25304.85387117 .00000055 00000-0 12550-4 0 9994
2 43578 86.3980 152.1658 0002230 89.0555 271.0896 14.34217942380652Epoch: 2025-10-31T20:29Z
TLE epoch observation values (Epoch: 2025-10-31T20:29:34.469Z)
Latitude
-0.00003°
Longitude
164.37984°
Altitude
780.687 km
Speed
7.464 km/s
True Right ascension
10h 08m 39s
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
08:22:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.226 km
Perigee altitude
773.036 km
Semi-major axis
7,152.768 km
Eccentricity
0.00022
Inclination
86.398°
RAAN
152.1658°
Arg. of periapsis
89.0555°
True anomaly
271.06405°
Mean anomaly
271.0896°
Eccentric anomaly
271.07683°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00001255
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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 159 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 | 2025-11-01 13:22:56.975Z | 116.226° SE | 2025-11-01 13:25:56.975Z | 75.46° E | 18.213° | 2025-11-01 13:28:56.975Z | 38.441° NE |
| 7 mins | 2025-11-01 15:02:56.975Z | 214.452° SW | 2025-11-01 15:05:56.975Z | 276.342° WNW | 35.472° | 2025-11-01 15:09:56.975Z | 345.37° N |
| 8 mins | 2025-11-02 01:32:56.975Z | 18.779° NNE | 2025-11-02 01:35:56.975Z | 68.452° E | 34.195° | 2025-11-02 01:40:56.975Z | 153.557° SSE |
| 5 mins | 2025-11-02 03:14:56.975Z | 305.759° NW | 2025-11-02 03:16:56.975Z | 276.241° WNW | 18.837° | 2025-11-02 03:19:56.975Z | 237.911° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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