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: 5 hours ago
TLE from 5 hours ago
0 STARLINK-5303
1 55630U 23021C 26091.43425809 .00000020 00000-0 95113-5 0 9996
2 55630 69.9994 147.1714 0003603 268.9306 91.1440 14.98329537171704Epoch: 2026-04-01T10:25Z
TLE epoch observation values (Epoch: 2026-04-01T10:25:19.898Z)
Latitude
-0.00008°
Longitude
161.04132°
Altitude
574.532 km
Speed
7.574 km/s
True Right ascension
09h 48m 41s
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
21:23:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.509 km
Perigee altitude
567.502 km
Semi-major axis
6,948.143 km
Eccentricity
0.00036
Inclination
69.9994°
RAAN
147.1714°
Arg. of periapsis
268.9306°
True anomaly
91.18528°
Mean anomaly
91.144°
Eccentric anomaly
91.16464°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.0000095113
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-04-01 15:48:38.618Z | 299.19° NW | 2026-04-01 15:51:38.618Z | 246.16° WSW | 20.065° | 2026-04-01 15:53:38.618Z | 212.719° SW |
| 4 mins | 2026-04-02 04:11:38.618Z | 136.087° SSE | 2026-04-02 04:13:38.618Z | 97.995° ESE | 19.422° | 2026-04-02 04:15:38.618Z | 64.507° ENE |
| 5 mins | 2026-04-02 05:49:38.618Z | 257.86° W | 2026-04-02 05:51:38.618Z | 307.99° NW | 27.569° | 2026-04-02 05:54:38.618Z | 1.217° NNE |
| 6 mins | 2026-04-02 14:12:38.618Z | 354.347° N | 2026-04-02 14:15:38.618Z | 65.61° ENE | 35.044° | 2026-04-02 14:18:38.618Z | 130.154° SE |
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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