STARLINK-5327, 55291
Orbit data source: Space-Track
STARLINK-5327, 55291 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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55291 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-5327
1 55291U 23010Y 26171.28544523 .00000434 00000-0 44138-4 0 9993
2 55291 69.9994 125.9096 0003466 263.5092 96.5672 14.98331656188635Epoch: 2026-06-20T06:51Z
TLE epoch observation values (Epoch: 2026-06-20T06:51:02.467Z)
Latitude
-0.00009°
Longitude
114.64703°
Altitude
574.751 km
Speed
7.574 km/s
True Right ascension
08h 23m 38s
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
21:28:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.407 km
Perigee altitude
567.591 km
Semi-major axis
6,948.136 km
Eccentricity
0.00035
Inclination
69.9994°
RAAN
125.9096°
Arg. of periapsis
263.5092°
True anomaly
96.60665°
Mean anomaly
96.5672°
Eccentric anomaly
96.58693°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.000044138
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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-5327 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 21:28:12.378Z | 170.009° S | 2026-06-22 21:31:12.378Z | 105.834° ESE | 31.273° | 2026-06-22 21:34:12.378Z | 45.833° ENE |
| 4 mins | 2026-06-22 23:08:12.378Z | 280.336° WNW | 2026-06-22 23:09:12.378Z | 298.356° NW | 18.021° | 2026-06-22 23:12:12.378Z | 347.891° N |
| 6 mins | 2026-06-23 07:31:12.378Z | 339.027° N | 2026-06-23 07:33:12.378Z | 358.857° N | 43.722° | 2026-06-23 07:37:12.378Z | 153.853° SSE |
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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