STARLINK-3535, 51722
Orbit data source: Space-Track
STARLINK-3535, 51722 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 21 Feb 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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51722 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-3535
1 51722U 22016J 26171.45213656 .00000910 00000-0 75258-4 0 9998
2 51722 53.1593 227.6852 0000336 51.9283 308.1738 15.08825155238932Epoch: 2026-06-20T10:51Z
TLE epoch observation values (Epoch: 2026-06-20T10:51:04.598Z)
Latitude
-0.00009°
Longitude
156.24942°
Altitude
540.536 km
Speed
7.593 km/s
True Right ascension
15h 10m 44s
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
23:09:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.275 km
Perigee altitude
539.811 km
Semi-major axis
6,918.18 km
Eccentricity
0.00003
Inclination
53.1593°
RAAN
227.6852°
Arg. of periapsis
51.9283°
True anomaly
308.17077°
Mean anomaly
308.1738°
Eccentric anomaly
308.17229°
Mean motion
3.77186 °/min
Orbital period
95.44 mins
BSTAR
0.000075258
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Other satellites on launch #16 in the year 2022 (2022-02-21 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-3535 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 12:37:57.810Z | 316.49° NNW | 2026-06-22 12:40:57.810Z | 33.416° NE | 42.868° | 2026-06-22 12:44:57.810Z | 121.717° SE |
| 6 mins | 2026-06-23 05:48:57.810Z | 230.242° WSW | 2026-06-23 05:50:57.810Z | 234.929° WSW | 43.184° | 2026-06-23 05:54:57.810Z | 49.604° ENE |
| 4 mins | 2026-06-23 07:29:57.810Z | 313.026° NW | 2026-06-23 07:30:57.810Z | 332.744° NNW | 19.2° | 2026-06-23 07:33:57.810Z | 24.492° NE |
| 4 mins | 2026-06-23 10:50:57.810Z | 351.948° N | 2026-06-23 10:52:57.810Z | 31.608° NE | 18.834° | 2026-06-23 10:54:57.810Z | 64.567° ENE |
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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