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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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: 12 hours ago
TLE from 12 hours ago
0 IRIDIUM 159
1 43578U 18061K 26256.39363890 .00000014 00000-0 -20209-5 0 9999
2 43578 86.3998 19.8130 0002092 95.4746 264.6688 14.34217200426020Epoch: 2026-09-13T09:26Z
TLE epoch observation values (Epoch: 2026-09-13T09:26:50.400Z)
Latitude
-0.0001°
Longitude
-114.28593°
Altitude
780.859 km
Speed
7.463 km/s
True Right ascension
01h 19m 15s
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
14:21:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.13 km
Perigee altitude
773.137 km
Semi-major axis
7,152.77 km
Eccentricity
0.00021
Inclination
86.3998°
RAAN
19.813°
Arg. of periapsis
95.4746°
True anomaly
264.64493°
Mean anomaly
264.6688°
Eccentric anomaly
264.65687°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.0000020209
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-09-14 09:00:46.911Z | 188.67° SSW | 2026-09-14 09:04:46.911Z | 306.88° NW | 73.798° | 2026-09-14 09:08:46.911Z | 358.15° N |
| 7 mins | 2026-09-14 19:31:46.911Z | 31.775° NE | 2026-09-14 19:34:46.911Z | 77.005° E | 26.965° | 2026-09-14 19:38:46.911Z | 133.345° SE |
| 7 mins | 2026-09-14 21:12:46.911Z | 324.715° NNW | 2026-09-14 21:15:46.911Z | 271.461° WNW | 32.423° | 2026-09-14 21:19:46.911Z | 216.005° SW |
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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