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: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 159
1 43578U 18061K 25351.31970550 .00000166 00000-0 52309-4 0 9995
2 43578 86.3978 132.7532 0001971 90.8596 269.2826 14.34216935387313Epoch: 2025-12-17T07:40Z
TLE epoch observation values (Epoch: 2025-12-17T07:40:22.555Z)
Latitude
0.00003°
Longitude
-68.53204°
Altitude
780.739 km
Speed
7.463 km/s
True Right ascension
08h 51m 00s
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
16:42:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.044 km
Perigee altitude
773.225 km
Semi-major axis
7,152.771 km
Eccentricity
0.0002
Inclination
86.3978°
RAAN
132.7532°
Arg. of periapsis
90.8596°
True anomaly
269.26002°
Mean anomaly
269.2826°
Eccentric anomaly
269.27131°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000052309
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-12-17 21:38:27.695Z | 1.502° NNE | 2025-12-17 21:43:27.695Z | 125.2° SE | 43.567° | 2025-12-17 21:47:27.695Z | 172.001° S |
| 4 mins | 2025-12-18 08:57:27.695Z | 98.57° ESE | 2025-12-18 08:58:27.695Z | 84.676° E | 16.802° | 2025-12-18 09:01:27.695Z | 45.496° ENE |
| 8 mins | 2025-12-18 10:35:27.695Z | 206.575° SW | 2025-12-18 10:39:27.695Z | 291.43° WNW | 36.925° | 2025-12-18 10:43:27.695Z | 349.172° N |
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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