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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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 26061.92960941 -.00001847 00000-0 -12174-3 0 9991
2 55621 43.0054 28.2913 0001113 263.9809 96.0907 15.02523537168059Epoch: 2026-03-02T22:18Z
TLE epoch observation values (Epoch: 2026-03-02T22:18:38.253Z)
Latitude
0.00003°
Longitude
-107.08402°
Altitude
558.978 km
Speed
7.584 km/s
True Right ascension
01h 53m 09s
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
13:12:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.813 km
Perigee altitude
560.269 km
Semi-major axis
6,939.178 km
Eccentricity
0.00011
Inclination
43.0054°
RAAN
28.2913°
Arg. of periapsis
263.9809°
True anomaly
96.10338°
Mean anomaly
96.0907°
Eccentric anomaly
96.09704°
Mean motion
3.75475 °/min
Orbital period
95.88 mins
BSTAR
-0.00012174
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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 | 2026-03-04 00:00:49.152Z | 191.814° SSW | 2026-03-04 00:03:49.152Z | 142.998° SSE | 20.245° | 2026-03-04 00:06:49.152Z | 95.071° ESE |
| 6 mins | 2026-03-04 01:41:49.152Z | 244.21° WSW | 2026-03-04 01:43:49.152Z | 212.205° SW | 44.138° | 2026-03-04 01:47:49.152Z | 72.969° E |
| 7 mins | 2026-03-04 03:21:49.152Z | 282.251° WNW | 2026-03-04 03:24:49.152Z | 350.827° N | 39.49° | 2026-03-04 03:28:49.152Z | 75.754° E |
| 7 mins | 2026-03-04 05:02:49.152Z | 290.144° WNW | 2026-03-04 05:05:49.152Z | 9.935° NNE | 44.372° | 2026-03-04 05:09:49.152Z | 102.428° ESE |
| 6 mins | 2026-03-04 06:43:49.152Z | 265.615° W | 2026-03-04 06:46:49.152Z | 196.987° SSW | 27.617° | 2026-03-04 06:49:49.152Z | 149.857° SSE |
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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