STARLINK-3529, 51724
Orbit data source: Space-Track
STARLINK-3529, 51724 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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51724 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-3529
1 51724U 22016L 26171.44475705 -.00000034 00000-0 15960-4 0 9996
2 51724 53.1584 227.7188 0001019 83.1415 276.9693 15.08832668238939Epoch: 2026-06-20T10:40Z
TLE epoch observation values (Epoch: 2026-06-20T10:40:27.009Z)
Latitude
0.00005°
Longitude
158.94702°
Altitude
540.572 km
Speed
7.593 km/s
True Right ascension
15h 10m 52s
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
21:32:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.725 km
Perigee altitude
539.315 km
Semi-major axis
6,918.157 km
Eccentricity
0.0001
Inclination
53.1584°
RAAN
227.7188°
Arg. of periapsis
83.1415°
True anomaly
276.95771°
Mean anomaly
276.9693°
Eccentric anomaly
276.9635°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.00001596
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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-3529 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 10:47:21.884Z | 337.338° NNW | 2026-06-22 10:49:21.884Z | 7.674° NNE | 15.739° | 2026-06-22 10:52:21.884Z | 56.115° ENE |
| 6 mins | 2026-06-22 12:27:21.884Z | 323.624° NNW | 2026-06-22 12:30:21.884Z | 65.066° ENE | 38.1° | 2026-06-22 12:33:21.884Z | 113.255° SE |
| 4 mins | 2026-06-22 14:07:21.884Z | 262.137° W | 2026-06-22 14:09:21.884Z | 223.158° SW | 18.655° | 2026-06-22 14:11:21.884Z | 190.239° SSW |
| 7 mins | 2026-06-23 05:37:21.884Z | 221.003° SW | 2026-06-23 05:40:21.884Z | 134.008° SE | 43.964° | 2026-06-23 05:44:21.884Z | 53.143° ENE |
| 4 mins | 2026-06-23 07:18:21.884Z | 301.61° NW | 2026-06-23 07:20:21.884Z | 343.56° N | 21.04° | 2026-06-23 07:22:21.884Z | 19.834° NNE |
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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