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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-5687
1 55473U 23015AA 25255.80028512 .00087499 00000-0 74747-3 0 9999
2 55473 42.9862 85.8374 0039034 226.3731 133.3895 15.67475573145478Epoch: 2025-09-12T19:12Z
TLE epoch observation values (Epoch: 2025-09-12T19:12:24.634Z)
Latitude
-0°
Longitude
165.69195°
Altitude
384.034 km
Speed
7.671 km/s
True Right ascension
05h 43m 20s
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
23:47:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
394.443 km
Perigee altitude
341.776 km
Semi-major axis
6,746.247 km
Eccentricity
0.0039
Inclination
42.9862°
RAAN
85.8374°
Arg. of periapsis
226.3731°
True anomaly
133.71346°
Mean anomaly
133.3895°
Eccentric anomaly
133.55159°
Mean motion
3.91697 °/min
Orbital period
91.91 mins
BSTAR
0.00074747
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-09-13 16:52:15.395Z | 244.922° WSW | 2025-09-13 16:54:15.395Z | 199.436° SSW | 44.159° | 2025-09-13 16:57:15.395Z | 73.497° E |
| 4 mins | 2025-09-13 18:29:15.395Z | 293.48° NW | 2025-09-13 18:31:15.395Z | 22.12° NNE | 34.408° | 2025-09-13 18:33:15.395Z | 68.398° E |
| 4 mins | 2025-09-13 20:06:15.395Z | 300.666° NW | 2025-09-13 20:07:15.395Z | 348.474° N | 42.385° | 2025-09-13 20:10:15.395Z | 97.88° 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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