IRIDIUM 177, 56727
Orbit data source: Space-Track
IRIDIUM 177, 56727 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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56727 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 177
1 56727U 23068T 26171.43225514 .00000780 00000-0 99100-4 0 9997
2 56727 86.1964 327.2497 0002355 88.7713 271.3778 14.80229741166844Epoch: 2026-06-20T10:22Z
TLE epoch observation values (Epoch: 2026-06-20T10:22:26.844Z)
Latitude
0.00002°
Longitude
-97.00911°
Altitude
631.673 km
Speed
7.543 km/s
True Right ascension
21h 48m 59s
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
21:32:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
627.152 km
Perigee altitude
623.854 km
Semi-major axis
7,003.64 km
Eccentricity
0.00024
Inclination
86.1964°
RAAN
327.2497°
Arg. of periapsis
88.7713°
True anomaly
271.35082°
Mean anomaly
271.3778°
Eccentric anomaly
271.36431°
Mean motion
3.70303 °/min
Orbital period
97.22 mins
BSTAR
0.0000991
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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 177 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 | 2026-06-22 11:09:45.583Z | 197.402° SSW | 2026-06-22 11:13:45.583Z | 280.172° WNW | 39.549° | 2026-06-22 11:17:45.583Z | 353.052° N |
| 4 mins | 2026-06-22 21:22:45.583Z | 52.007° ENE | 2026-06-22 21:24:45.583Z | 85.775° E | 17.039° | 2026-06-22 21:26:45.583Z | 115.329° SE |
| 6 mins | 2026-06-22 22:59:45.583Z | 325.195° NNW | 2026-06-22 23:01:45.583Z | 282.188° WNW | 30.028° | 2026-06-22 23:05:45.583Z | 209.327° SW |
| 5 mins | 2026-06-23 09:54:45.583Z | 116.578° SE | 2026-06-23 09:56:45.583Z | 79.516° E | 20.816° | 2026-06-23 09:59:45.583Z | 34.302° NE |
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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