STARLINK-5687, 55473
Orbit data source: Space-Track
STARLINK-5687, 55473 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 Feb 2023 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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55473 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially 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, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 STARLINK-5687
1 55473U 23015AA 25254.97190459 .00047222 00000-0 41095-3 0 9996
2 55473 42.9850 90.8073 0038439 219.6770 140.1282 15.67275248145342Epoch: 2025-09-11T23:19Z
TLE epoch observation values (Epoch: 2025-09-11T23:19:32.556Z)
Latitude
-0.00002°
Longitude
109.69532°
Altitude
386.409 km
Speed
7.669 km/s
True Right ascension
06h 03m 13s
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
19:27:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
394.618 km
Perigee altitude
342.75 km
Semi-major axis
6,746.821 km
Eccentricity
0.00384
Inclination
42.985°
RAAN
90.8073°
Arg. of periapsis
219.677°
True anomaly
140.40954°
Mean anomaly
140.1282°
Eccentric anomaly
140.26897°
Mean motion
3.91647 °/min
Orbital period
91.92 mins
BSTAR
0.00041095
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Other satellites on launch #15 in the year 2023 (2023-02-02 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-5687 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 | 2025-09-13 16:52:47.751Z | 244.305° WSW | 2025-09-13 16:54:47.751Z | 110.802° ESE | 43.901° | 2025-09-13 16:56:47.751Z | 74.366° E |
| 4 mins | 2025-09-13 18:29:47.751Z | 298.951° NW | 2025-09-13 18:30:47.751Z | 336.912° NNW | 34.994° | 2025-09-13 18:33:47.751Z | 70.594° E |
| 4 mins | 2025-09-13 20:05:47.751Z | 294.46° NW | 2025-09-13 20:07:47.751Z | 35.834° NE | 42.578° | 2025-09-13 20:09:47.751Z | 95.624° ESE |
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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