STARLINK-5756, 55598
Orbit data source: Space-Track
STARLINK-5756, 55598 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 12 Feb 2023 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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55598 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-5756
1 55598U 23020AF 26171.25546639 .00000630 00000-0 32415-4 0 9994
2 55598 43.0003 135.1240 0001437 268.6989 91.3698 15.27571900184728Epoch: 2026-06-20T06:07Z
TLE epoch observation values (Epoch: 2026-06-20T06:07:52.296Z)
Latitude
-0°
Longitude
134.68339°
Altitude
482.873 km
Speed
7.626 km/s
True Right ascension
09h 00m 29s
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
21:43:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.005 km
Perigee altitude
484.032 km
Semi-major axis
6,863.155 km
Eccentricity
0.00014
Inclination
43.0003°
RAAN
135.124°
Arg. of periapsis
268.6989°
True anomaly
91.38626°
Mean anomaly
91.3698°
Eccentric anomaly
91.37803°
Mean motion
3.81731 °/min
Orbital period
94.31 mins
BSTAR
0.000032415
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Other satellites on launch #20 in the year 2023 (2023-02-12 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.STARLINK-5756 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 | 2026-06-23 00:15:12.342Z | 226.601° WSW | 2026-06-23 00:18:12.342Z | 167.217° S | 36.365° | 2026-06-23 00:21:12.342Z | 82.644° E |
| 5 mins | 2026-06-23 01:55:12.342Z | 275.984° WNW | 2026-06-23 01:57:12.342Z | 334.788° NNW | 40.617° | 2026-06-23 02:00:12.342Z | 68.219° E |
| 6 mins | 2026-06-23 03:34:12.342Z | 294.02° NW | 2026-06-23 03:36:12.342Z | 338.649° N | 38.822° | 2026-06-23 03:40:12.342Z | 88.134° E |
| 6 mins | 2026-06-23 05:13:12.342Z | 277.08° WNW | 2026-06-23 05:15:12.342Z | 231.142° WSW | 38.043° | 2026-06-23 05:19:12.342Z | 127.77° SE |
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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