STARLINK-5331, 55280
Orbit data source: Space-Track
STARLINK-5331, 55280 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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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-5331
1 55280U 23010M 26171.37747200 -.00000189 00000-0 -80323-5 0 9994
2 55280 69.9991 145.6895 0003691 265.2822 94.7915 14.98330795188156Epoch: 2026-06-20T09:03Z
TLE epoch observation values (Epoch: 2026-06-20T09:03:33.580Z)
Latitude
-0.0001°
Longitude
101.20658°
Altitude
574.692 km
Speed
7.574 km/s
True Right ascension
09h 42m 45s
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
23:07:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.566 km
Perigee altitude
567.437 km
Semi-major axis
6,948.139 km
Eccentricity
0.00037
Inclination
69.9991°
RAAN
145.6895°
Arg. of periapsis
265.2822°
True anomaly
94.83365°
Mean anomaly
94.7915°
Eccentric anomaly
94.81257°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
-0.0000080323
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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-5331 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 | 2026-06-22 23:42:29.682Z | 230.946° WSW | 2026-06-22 23:44:29.682Z | 283.056° WNW | 37.658° | 2026-06-22 23:48:29.682Z | 13.256° NNE |
| 5 mins | 2026-06-23 08:06:29.682Z | 9.596° NNE | 2026-06-23 08:08:29.682Z | 47.818° ENE | 24.841° | 2026-06-23 08:11:29.682Z | 109.167° ESE |
| 4 mins | 2026-06-23 09:45:29.682Z | 286.515° WNW | 2026-06-23 09:47:29.682Z | 244.238° WSW | 21.613° | 2026-06-23 09:49:29.682Z | 209.734° 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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