STARLINK-3503, 51865
Orbit data source: Space-Track
STARLINK-3503, 51865 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 03 Mar 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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51865 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-3503
1 51865U 22022P 26171.43740359 -.00003956 00000-0 -23055-3 0 9998
2 51865 53.1571 267.7454 0000950 52.9442 307.1636 15.08849570238628Epoch: 2026-06-20T10:29Z
TLE epoch observation values (Epoch: 2026-06-20T10:29:51.670Z)
Latitude
-0.00002°
Longitude
-158.37194°
Altitude
540.208 km
Speed
7.594 km/s
True Right ascension
17h 50m 58s
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
21:32:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.626 km
Perigee altitude
539.312 km
Semi-major axis
6,918.106 km
Eccentricity
0.0001
Inclination
53.1571°
RAAN
267.7454°
Arg. of periapsis
52.9442°
True anomaly
307.15492°
Mean anomaly
307.1636°
Eccentric anomaly
307.15926°
Mean motion
3.77192 °/min
Orbital period
95.44 mins
BSTAR
-0.00023055
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Other satellites on launch #22 in the year 2022 (2022-03-03 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-3503 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 13:49:46.668Z | 353.559° N | 2026-06-22 13:50:46.668Z | 12.551° NNE | 18.838° | 2026-06-22 13:53:46.668Z | 65.544° ENE |
| 6 mins | 2026-06-22 15:28:46.668Z | 311.87° NW | 2026-06-22 15:30:46.668Z | 328.799° NNW | 44.365° | 2026-06-22 15:34:46.668Z | 129.453° SE |
| 6 mins | 2026-06-23 08:38:46.668Z | 240.853° WSW | 2026-06-23 08:41:46.668Z | 359.238° N | 42.233° | 2026-06-23 08:44:46.668Z | 44.856° NE |
| 4 mins | 2026-06-23 10:19:46.668Z | 311.921° NW | 2026-06-23 10:21:46.668Z | 348.832° N | 17.27° | 2026-06-23 10:23:46.668Z | 20.969° 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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