STARLINK-4128, 53249
Orbit data source: Space-Track
STARLINK-4128, 53249 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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53249 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-4128
1 53249U 22086H 26171.41668980 .00004476 00000-0 26464-3 0 9996
2 53249 53.1592 92.8237 0002515 89.4632 113.2441 15.13366489 5823Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-18.18949°
Longitude
-131.64489°
Altitude
531.605 km
Speed
7.597 km/s
True Right ascension
19h 07m 58s
True Declination
-18° 05' 04"
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
21:25:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
527.933 km
Perigee altitude
524.461 km
Semi-major axis
6,904.334 km
Eccentricity
0.00025
Inclination
53.1592°
RAAN
92.8237°
Arg. of periapsis
89.4632°
True anomaly
113.27058°
Mean anomaly
113.2441°
Eccentric anomaly
113.25734°
Mean motion
3.78321 °/min
Orbital period
95.16 mins
BSTAR
0.00026464
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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-4128 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 | 2026-06-22 19:54:11.319Z | 181.631° SSW | 2026-06-22 19:57:11.319Z | 125.474° SE | 22.796° | 2026-06-22 20:00:11.319Z | 74.855° E |
| 6 mins | 2026-06-22 21:33:11.319Z | 259.273° W | 2026-06-22 21:36:11.319Z | 341.194° N | 34.409° | 2026-06-22 21:39:11.319Z | 37.37° NE |
| 5 mins | 2026-06-23 02:34:11.319Z | 341.475° N | 2026-06-23 02:36:11.319Z | 27.462° NE | 26.125° | 2026-06-23 02:39:11.319Z | 86.442° E |
| 5 mins | 2026-06-23 04:13:11.319Z | 287.514° WNW | 2026-06-23 04:15:11.319Z | 234.548° WSW | 34.798° | 2026-06-23 04:18:11.319Z | 158.739° 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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