IRIDIUM 181, 56726
Orbit data source: Space-Track
IRIDIUM 181, 56726 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 20 May 2023 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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56726 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 181
1 56726U 23068S 26171.43426507 .00000233 00000-0 63245-4 0 9995
2 56726 86.4498 55.4334 0002392 88.7656 271.3819 14.43308086162903Epoch: 2026-06-20T10:25Z
TLE epoch observation values (Epoch: 2026-06-20T10:25:20.502Z)
Latitude
0.00001°
Longitude
-9.55097°
Altitude
750.613 km
Speed
7.479 km/s
True Right ascension
03h 41m 44s
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
21:31:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
746.244 km
Perigee altitude
742.836 km
Semi-major axis
7,122.677 km
Eccentricity
0.00024
Inclination
86.4498°
RAAN
55.4334°
Arg. of periapsis
88.7656°
True anomaly
271.3545°
Mean anomaly
271.3819°
Eccentric anomaly
271.3682°
Mean motion
3.61059 °/min
Orbital period
99.71 mins
BSTAR
0.000063245
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Other satellites on launch #68 in the year 2023 (2023-05-20 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 181 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 15:47:34.699Z | 133.966° SE | 2026-06-22 15:51:34.699Z | 76.314° E | 22.967° | 2026-06-22 15:54:34.699Z | 34.124° NE |
| 7 mins | 2026-06-22 17:28:34.699Z | 230.665° WSW | 2026-06-22 17:31:34.699Z | 289.11° WNW | 27.962° | 2026-06-22 17:35:34.699Z | 342.151° N |
| 7 mins | 2026-06-23 03:54:34.699Z | 15.961° NNE | 2026-06-23 03:57:34.699Z | 84.371° E | 38.741° | 2026-06-23 04:01:34.699Z | 158.768° S |
| 4 mins | 2026-06-23 05:35:34.699Z | 302.237° NW | 2026-06-23 05:37:34.699Z | 275.057° WNW | 15.037° | 2026-06-23 05:39:34.699Z | 250.082° W |
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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