STARLINK-5303, 55630
Orbit data source: Space-Track
STARLINK-5303, 55630 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Feb 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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55630 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-5303
1 55630U 23021C 26171.41271347 .00001393 00000-0 12450-3 0 9994
2 55630 69.9993 305.5128 0002811 273.8995 86.1843 14.98338315183686Epoch: 2026-06-20T09:54Z
TLE epoch observation values (Epoch: 2026-06-20T09:54:18.443Z)
Latitude
-0.00001°
Longitude
-111.69175°
Altitude
574.325 km
Speed
7.574 km/s
True Right ascension
20h 22m 03s
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
00:55:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.932 km
Perigee altitude
568.025 km
Semi-major axis
6,948.115 km
Eccentricity
0.00028
Inclination
69.9993°
RAAN
305.5128°
Arg. of periapsis
273.8995°
True anomaly
86.21644°
Mean anomaly
86.1843°
Eccentric anomaly
86.20037°
Mean motion
3.74751 °/min
Orbital period
96.06 mins
BSTAR
0.0001245
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Other satellites on launch #21 in the year 2023 (2023-02-17 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-5303 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 18:31:48.324Z | 21.865° NNE | 2026-06-22 18:33:48.324Z | 55.401° ENE | 16.85° | 2026-06-22 18:35:48.324Z | 88.106° E |
| 6 mins | 2026-06-22 20:09:48.324Z | 310.884° NW | 2026-06-22 20:11:48.324Z | 267.307° W | 32.893° | 2026-06-22 20:15:48.324Z | 182.084° SSW |
| 6 mins | 2026-06-23 10:09:48.324Z | 223.235° SW | 2026-06-23 10:11:48.324Z | 272.573° WNW | 40.334° | 2026-06-23 10:15:48.324Z | 16.046° NNE |
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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