STARLINK-5312, 55311
Orbit data source: Space-Track
STARLINK-5312, 55311 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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55311 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-5312
1 55311U 23010AU 26171.26017750 .00001041 00000-0 95024-4 0 9996
2 55311 69.9997 105.9479 0002812 271.0058 89.0778 14.98316669190009Epoch: 2026-06-20T06:14Z
TLE epoch observation values (Epoch: 2026-06-20T06:14:39.335Z)
Latitude
-0.00008°
Longitude
103.80662°
Altitude
574.49 km
Speed
7.574 km/s
True Right ascension
07h 03m 47s
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
21:31:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.999 km
Perigee altitude
568.092 km
Semi-major axis
6,948.182 km
Eccentricity
0.00028
Inclination
69.9997°
RAAN
105.9479°
Arg. of periapsis
271.0058°
True anomaly
89.11002°
Mean anomaly
89.0778°
Eccentric anomaly
89.09391°
Mean motion
3.74745 °/min
Orbital period
96.07 mins
BSTAR
0.000095024
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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-5312 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 20:51:40.070Z | 212.322° SW | 2026-06-22 20:55:40.070Z | 299.829° NW | 42.816° | 2026-06-22 20:59:40.070Z | 19.14° NNE |
| 5 mins | 2026-06-23 05:17:40.070Z | 17.823° NNE | 2026-06-23 05:19:40.070Z | 55.411° ENE | 20.907° | 2026-06-23 05:22:40.070Z | 105.553° ESE |
| 6 mins | 2026-06-23 06:55:40.070Z | 302.868° NW | 2026-06-23 06:57:40.070Z | 262.878° W | 26.741° | 2026-06-23 07:01:40.070Z | 190.991° SSW |
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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