STARLINK-3552, 51813
Orbit data source: Space-Track
STARLINK-3552, 51813 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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51813 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
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-3552
1 51813U 22017AX 26171.42268102 .00000082 00000-0 23272-4 0 9992
2 51813 53.1596 227.8476 0001153 86.8071 273.3053 15.08833988239599Epoch: 2026-06-20T10:08Z
TLE epoch observation values (Epoch: 2026-06-20T10:08:39.640Z)
Latitude
0.00005°
Longitude
167.04495°
Altitude
540.607 km
Speed
7.593 km/s
True Right ascension
15h 11m 23s
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
21:33:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.814 km
Perigee altitude
539.218 km
Semi-major axis
6,918.153 km
Eccentricity
0.00012
Inclination
53.1596°
RAAN
227.8476°
Arg. of periapsis
86.8071°
True anomaly
273.29211°
Mean anomaly
273.3053°
Eccentric anomaly
273.2987°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000023272
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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-3552 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 | 2026-06-22 11:53:40.509Z | 329.75° NNW | 2026-06-22 11:56:40.509Z | 30.489° NE | 28.38° | 2026-06-22 11:59:40.509Z | 90.311° ESE |
| 6 mins | 2026-06-22 13:33:40.509Z | 285.821° WNW | 2026-06-22 13:35:40.509Z | 241.296° WSW | 31.747° | 2026-06-22 13:39:40.509Z | 158.576° S |
| 6 mins | 2026-06-23 05:04:40.509Z | 192.383° SSW | 2026-06-23 05:07:40.509Z | 120.183° SE | 30.506° | 2026-06-23 05:10:40.509Z | 67.394° ENE |
| 5 mins | 2026-06-23 06:44:40.509Z | 279.097° WNW | 2026-06-23 06:46:40.509Z | 329.083° NNW | 29.267° | 2026-06-23 06:49:40.509Z | 30.838° NE |
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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