STARLINK-5311, 55288
Orbit data source: Space-Track
STARLINK-5311, 55288 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 19 Jan 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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55288 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
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-5311
1 55288U 23010V 26171.32733938 .00001052 00000-0 96008-4 0 9994
2 55288 69.9997 125.6550 0003421 257.0657 103.0120 14.98318337188646Epoch: 2026-06-20T07:51Z
TLE epoch observation values (Epoch: 2026-06-20T07:51:22.122Z)
Latitude
-0.00003°
Longitude
99.26926°
Altitude
575.052 km
Speed
7.573 km/s
True Right ascension
08h 22m 37s
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
21:26:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.417 km
Perigee altitude
567.663 km
Semi-major axis
6,948.177 km
Eccentricity
0.00034
Inclination
69.9997°
RAAN
125.655°
Arg. of periapsis
257.0657°
True anomaly
103.05019°
Mean anomaly
103.012°
Eccentric anomaly
103.0311°
Mean motion
3.74746 °/min
Orbital period
96.07 mins
BSTAR
0.000096008
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Other satellites on launch #10 in the year 2023 (2023-01-19 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-5311 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 20:52:54.475Z | 133.111° SE | 2026-06-22 20:54:54.475Z | 101.981° ESE | 14.963° | 2026-06-22 20:56:54.475Z | 71.338° E |
| 6 mins | 2026-06-22 22:29:54.475Z | 233.538° WSW | 2026-06-22 22:32:54.475Z | 304.2° NW | 33.789° | 2026-06-22 22:35:54.475Z | 5.96° NNE |
| 5 mins | 2026-06-23 06:54:54.475Z | 10.841° NNE | 2026-06-23 06:56:54.475Z | 58.737° ENE | 28.808° | 2026-06-23 06:59:54.475Z | 118.97° SE |
| 4 mins | 2026-06-23 08:33:54.475Z | 276.284° WNW | 2026-06-23 08:34:54.475Z | 257.232° W | 18.602° | 2026-06-23 08:37:54.475Z | 209.949° SW |
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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