STARLINK-3573, 51794
Orbit data source: Space-Track
STARLINK-3573, 51794 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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51794 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-3573
1 51794U 22017AC 26171.41668980 .00738889 00000-0 36434-2 0 9992
2 51794 53.2151 230.7733 0001062 54.9066 328.0656 15.79586779 5840Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
18.2423°
Longitude
-173.68189°
Altitude
331.366 km
Speed
7.713 km/s
True Right ascension
16h 19m 49s
True Declination
18° 08' 02"
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
21:31:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
332.576 km
Perigee altitude
331.151 km
Semi-major axis
6,710 km
Eccentricity
0.00011
Inclination
53.2151°
RAAN
230.7733°
Arg. of periapsis
54.9066°
True anomaly
328.05916°
Mean anomaly
328.0656°
Eccentric anomaly
328.06238°
Mean motion
3.94875 °/min
Orbital period
91.17 mins
BSTAR
0.0036434
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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-3573 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 12:26:50.682Z | 333.21° NNW | 2026-06-22 12:28:50.682Z | 41.381° NE | 28.643° | 2026-06-22 12:30:50.682Z | 98.745° ESE |
| 4 mins | 2026-06-23 06:21:50.682Z | 263.015° W | 2026-06-23 06:23:50.682Z | 353.932° N | 29.931° | 2026-06-23 06:25:50.682Z | 36.041° 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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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