STARLINK-4528, 53399
Orbit data source: Space-Track
STARLINK-4528, 53399 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 10 Aug 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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53399 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK, Unknown motor
Mass
297 kg wet, ~275 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 10.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 STARLINK-4528
1 53399U 22097M 26092.07305361 .00002552 00000-0 17840-3 0 9990
2 53399 53.2194 19.1490 0001364 95.0526 265.0622 15.08832895202040Epoch: 2026-04-02T01:45Z
TLE epoch observation values (Epoch: 2026-04-02T01:45:11.831Z)
Latitude
-0.00004°
Longitude
162.4229°
Altitude
540.744 km
Speed
7.593 km/s
True Right ascension
01h 16m 35s
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
01:13:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.953 km
Perigee altitude
539.066 km
Semi-major axis
6,918.147 km
Eccentricity
0.00014
Inclination
53.2194°
RAAN
19.149°
Arg. of periapsis
95.0526°
True anomaly
265.04663°
Mean anomaly
265.0622°
Eccentric anomaly
265.05441°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.0001784
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Other satellites on launch #97 in the year 2022 (2022-08-10 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-4528 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-04-02 20:59:14.212Z | 189.199° SSW | 2026-04-02 21:02:14.212Z | 126.402° SE | 27.974° | 2026-04-02 21:05:14.212Z | 70.998° E |
| 5 mins | 2026-04-02 22:39:14.212Z | 273.41° WNW | 2026-04-02 22:41:14.212Z | 323.711° NNW | 31.169° | 2026-04-02 22:44:14.212Z | 31.124° NE |
| 6 mins | 2026-04-03 03:40:14.212Z | 333.973° NNW | 2026-04-03 03:42:14.212Z | 15.466° NNE | 29.315° | 2026-04-03 03:46:14.212Z | 97.409° ESE |
| 5 mins | 2026-04-03 05:20:14.212Z | 275.063° WNW | 2026-04-03 05:22:14.212Z | 219.969° SW | 29.52° | 2026-04-03 05:25:14.212Z | 165.019° 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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