STARLINK-5709, 55621
Orbit data source: Space-Track
STARLINK-5709, 55621 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 12 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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55621 intel report (Beta)
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Edit Public Description
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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-5709
1 55621U 23020BE 25311.92291991 -.00000614 00000-0 -30415-4 0 9990
2 55621 43.0046 293.2079 0001313 266.1549 93.9143 15.02530570150756Epoch: 2025-11-07T22:09Z
TLE epoch observation values (Epoch: 2025-11-07T22:09:00.280Z)
Latitude
-0.00002°
Longitude
-86.40322°
Altitude
558.937 km
Speed
7.584 km/s
True Right ascension
19h 32m 49s
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
05:12:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.931 km
Perigee altitude
560.108 km
Semi-major axis
6,939.156 km
Eccentricity
0.00013
Inclination
43.0046°
RAAN
293.2079°
Arg. of periapsis
266.1549°
True anomaly
93.92931°
Mean anomaly
93.9143°
Eccentric anomaly
93.92181°
Mean motion
3.75477 °/min
Orbital period
95.88 mins
BSTAR
-0.000030415
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Other satellites on launch #20 in the year 2023 (2023-02-12 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-5709 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 | 2025-11-09 01:27:27.198Z | 199.979° SSW | 2025-11-09 01:30:27.198Z | 147.533° SSE | 24.357° | 2025-11-09 01:33:27.198Z | 93.091° ESE |
| 6 mins | 2025-11-09 03:08:27.198Z | 253.176° W | 2025-11-09 03:10:27.198Z | 260.341° W | 43.294° | 2025-11-09 03:14:27.198Z | 71.577° E |
| 6 mins | 2025-11-09 04:49:27.198Z | 290.251° WNW | 2025-11-09 04:51:27.198Z | 338.772° N | 38.661° | 2025-11-09 04:55:27.198Z | 77.421° E |
| 6 mins | 2025-11-09 06:30:27.198Z | 288.914° WNW | 2025-11-09 06:32:27.198Z | 298.198° NW | 44.522° | 2025-11-09 06:36:27.198Z | 108.229° ESE |
| 5 mins | 2025-11-09 08:11:27.198Z | 249.648° W | 2025-11-09 08:13:27.198Z | 204.625° SW | 23.612° | 2025-11-09 08:16:27.198Z | 158.055° S |
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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