STARLINK-4140, 53259
Orbit data source: Space-Track
STARLINK-4140, 53259 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 24 Jul 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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53259 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-4140
1 53259U 22086T 26171.18296012 .00001303 00000-0 99930-4 0 9999
2 53259 53.1601 93.5409 0001811 75.6841 284.4352 15.08844069216545Epoch: 2026-06-20T04:23Z
TLE epoch observation values (Epoch: 2026-06-20T04:23:27.754Z)
Latitude
0.00003°
Longitude
119.27404°
Altitude
540.31 km
Speed
7.594 km/s
True Right ascension
06h 14m 09s
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
21:25:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
541.238 km
Perigee altitude
538.732 km
Semi-major axis
6,918.122 km
Eccentricity
0.00018
Inclination
53.1601°
RAAN
93.5409°
Arg. of periapsis
75.6841°
True anomaly
284.4151°
Mean anomaly
284.4352°
Eccentric anomaly
284.42515°
Mean motion
3.77191 °/min
Orbital period
95.44 mins
BSTAR
0.00009993
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Other satellites on launch #86 in the year 2022 (2022-07-24 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-4140 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 20:07:52.443Z | 196.028° SSW | 2026-06-22 20:10:52.443Z | 144.692° SSE | 29.244° | 2026-06-22 20:14:52.443Z | 66.512° ENE |
| 6 mins | 2026-06-22 21:47:52.443Z | 269.424° W | 2026-06-22 21:50:52.443Z | 339.99° N | 29.728° | 2026-06-22 21:53:52.443Z | 33.894° NE |
| 5 mins | 2026-06-23 02:49:52.443Z | 338.02° N | 2026-06-23 02:51:52.443Z | 31.359° NE | 31.494° | 2026-06-23 02:54:52.443Z | 95.937° ESE |
| 5 mins | 2026-06-23 04:28:52.443Z | 280.135° WNW | 2026-06-23 04:30:52.443Z | 237.531° WSW | 27.518° | 2026-06-23 04:33:52.443Z | 172.374° S |
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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