STARLINK-4504, 53555
Orbit data source: Space-Track
STARLINK-4504, 53555 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 19 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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53555 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
300 kg wet, ~290 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-4504
1 53555U 22101AE 26171.40841319 .00001027 00000-0 82628-4 0 9996
2 53555 53.1596 322.8802 0001206 90.8083 269.3047 15.08838639212474Epoch: 2026-06-20T09:48Z
TLE epoch observation values (Epoch: 2026-06-20T09:48:06.899Z)
Latitude
0°
Longitude
-92.77201°
Altitude
540.649 km
Speed
7.593 km/s
True Right ascension
21h 31m 31s
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
21:28:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.836 km
Perigee altitude
539.167 km
Semi-major axis
6,918.139 km
Eccentricity
0.00012
Inclination
53.1596°
RAAN
322.8802°
Arg. of periapsis
90.8083°
True anomaly
269.29088°
Mean anomaly
269.3047°
Eccentric anomaly
269.29779°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000082628
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Other satellites on launch #101 in the year 2022 (2022-08-19 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-4504 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 11:14:19.481Z | 170.631° S | 2026-06-22 11:16:19.481Z | 135.705° SSE | 19.987° | 2026-06-22 11:19:19.481Z | 82.355° E |
| 6 mins | 2026-06-22 12:53:19.481Z | 255.521° W | 2026-06-22 12:55:19.481Z | 301.613° NW | 37.264° | 2026-06-22 12:59:19.481Z | 40.838° NE |
| 4 mins | 2026-06-22 14:34:19.481Z | 318.764° NNW | 2026-06-22 14:35:19.481Z | 335.38° NNW | 15.352° | 2026-06-22 14:38:19.481Z | 23.309° NE |
| 5 mins | 2026-06-22 17:55:19.481Z | 348.349° N | 2026-06-22 17:57:19.481Z | 35.959° NE | 24.501° | 2026-06-22 18:00:19.481Z | 85.757° E |
| 6 mins | 2026-06-22 19:34:19.481Z | 292.048° WNW | 2026-06-22 19:36:19.481Z | 237.298° WSW | 38.197° | 2026-06-22 19:40:19.481Z | 148.765° SSE |
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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