STARLINK-5266, 55290
Orbit data source: Space-Track
STARLINK-5266, 55290 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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55290 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-5266
1 55290U 23010X 26171.26874787 .00000003 00000-0 80532-5 0 9999
2 55290 69.9994 125.8518 0003637 259.9329 100.1420 14.98332496188630Epoch: 2026-06-20T06:26Z
TLE epoch observation values (Epoch: 2026-06-20T06:26:59.815Z)
Latitude
-0.00003°
Longitude
120.61676°
Altitude
574.918 km
Speed
7.573 km/s
True Right ascension
08h 23m 24s
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
21:28:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.524 km
Perigee altitude
567.469 km
Semi-major axis
6,948.133 km
Eccentricity
0.00036
Inclination
69.9994°
RAAN
125.8518°
Arg. of periapsis
259.9329°
True anomaly
100.18302°
Mean anomaly
100.142°
Eccentric anomaly
100.16251°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.0000080532
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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-5266 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 21:04:29.738Z | 143.725° SSE | 2026-06-22 21:06:29.738Z | 109.637° ESE | 19.364° | 2026-06-22 21:09:29.738Z | 59.723° ENE |
| 6 mins | 2026-06-22 22:42:29.738Z | 249.531° W | 2026-06-22 22:44:29.738Z | 291.12° WNW | 27.599° | 2026-06-22 22:48:29.738Z | 4.592° NNE |
| 6 mins | 2026-06-23 07:06:29.738Z | 358.313° N | 2026-06-23 07:08:29.738Z | 41.217° NE | 33.909° | 2026-06-23 07:12:29.738Z | 132.541° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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