STARLINK-3550, 52373
Orbit data source: Space-Track
STARLINK-3550, 52373 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 29 Apr 2022 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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52373 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
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
11.087 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-3550
1 52373U 22045AU 26171.41668980 .00011283 00000-0 51540-3 0 9995
2 52373 53.1607 87.4388 0001555 78.3050 107.5563 15.21053245 5775Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-4.80989°
Longitude
-147.60679°
Altitude
504.632 km
Speed
7.613 km/s
True Right ascension
18h 04m 07s
True Declination
-4° 46' 49"
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
00:50:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
503.988 km
Perigee altitude
501.848 km
Semi-major axis
6,881.055 km
Eccentricity
0.00016
Inclination
53.1607°
RAAN
87.4388°
Arg. of periapsis
78.305°
True anomaly
107.57329°
Mean anomaly
107.5563°
Eccentric anomaly
107.56479°
Mean motion
3.80242 °/min
Orbital period
94.68 mins
BSTAR
0.0005154
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Other satellites on launch #45 in the year 2022 (2022-04-29 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-3550 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 19:41:26.955Z | 186.045° SSW | 2026-06-22 19:44:26.955Z | 121.107° SE | 25.35° | 2026-06-22 19:46:26.955Z | 79.923° E |
| 5 mins | 2026-06-22 21:20:26.955Z | 271.254° WNW | 2026-06-22 21:22:26.955Z | 324.137° NNW | 31.266° | 2026-06-22 21:25:26.955Z | 32.604° NE |
| 5 mins | 2026-06-23 02:19:26.955Z | 342.524° N | 2026-06-23 02:21:26.955Z | 34.3° NE | 27.22° | 2026-06-23 02:24:26.955Z | 91.716° ESE |
| 5 mins | 2026-06-23 03:57:26.955Z | 286.73° WNW | 2026-06-23 03:59:26.955Z | 243.422° WSW | 30.583° | 2026-06-23 04:02:26.955Z | 165.532° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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