STARLINK-3620, 51775
Orbit data source: Space-Track
STARLINK-3620, 51775 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 25 Feb 2022 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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51775 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
297 kg wet, ~275 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: 2 days ago
TLE from 2 days ago
0 STARLINK-3620
1 51775U 22017H 26171.41668980 .00187559 00000-0 26186-2 0 9996
2 51775 53.2173 225.4161 0000932 64.2079 270.3224 15.55741303 5875Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-20.33979°
Longitude
150.77845°
Altitude
405.674 km
Speed
7.667 km/s
True Right ascension
13h 57m 40s
True Declination
-20° 13' 20"
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
21:31:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
400.88 km
Perigee altitude
399.617 km
Semi-major axis
6,778.385 km
Eccentricity
0.00009
Inclination
53.2173°
RAAN
225.4161°
Arg. of periapsis
64.2079°
True anomaly
270.31172°
Mean anomaly
270.3224°
Eccentric anomaly
270.31706°
Mean motion
3.88914 °/min
Orbital period
92.57 mins
BSTAR
0.0026186
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Other satellites on launch #17 in the year 2022 (2022-02-25 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-3620 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 | 2026-06-22 11:54:13.534Z | 330.555° NNW | 2026-06-22 11:57:13.534Z | 50.584° ENE | 26.006° | 2026-06-22 11:59:13.534Z | 93.133° ESE |
| 4 mins | 2026-06-22 13:31:13.534Z | 272.236° WNW | 2026-06-22 13:33:13.534Z | 216.722° SW | 22.438° | 2026-06-22 13:35:13.534Z | 174.509° S |
| 4 mins | 2026-06-23 06:09:13.534Z | 273.302° WNW | 2026-06-23 06:10:13.534Z | 308.209° NW | 31.751° | 2026-06-23 06:13:13.534Z | 34.824° NE |
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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