STARLINK-4729, 53804
Orbit data source: Space-Track
STARLINK-4729, 53804 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 11 Sep 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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53804 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
305 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-4729
1 53804U 22111AH 26127.93608667 -.00000833 00000-0 -34260-4 0 9995
2 53804 53.2200 352.9347 0001393 88.1578 271.9574 15.08838550202833Epoch: 2026-05-07T22:27Z
TLE epoch observation values (Epoch: 2026-05-07T22:27:57.888Z)
Latitude
0.00001°
Longitude
150.16843°
Altitude
540.613 km
Speed
7.593 km/s
True Right ascension
23h 31m 44s
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
17:18:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.956 km
Perigee altitude
539.029 km
Semi-major axis
6,918.129 km
Eccentricity
0.00014
Inclination
53.22°
RAAN
352.9347°
Arg. of periapsis
88.1578°
True anomaly
271.94145°
Mean anomaly
271.9574°
Eccentric anomaly
271.94942°
Mean motion
3.7719 °/min
Orbital period
95.44 mins
BSTAR
-0.00003426
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Other satellites on launch #111 in the year 2022 (2022-09-11 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-4729 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 | 2026-05-08 17:44:03.494Z | 229.62° WSW | 2026-05-08 17:47:03.494Z | 45.537° ENE | 43.715° | 2026-05-08 17:50:03.494Z | 49.614° ENE |
| 4 mins | 2026-05-08 19:25:03.494Z | 309.931° NW | 2026-05-08 19:26:03.494Z | 329.033° NNW | 19.014° | 2026-05-08 19:29:03.494Z | 22.445° NNE |
| 4 mins | 2026-05-08 22:46:03.494Z | 349.428° N | 2026-05-08 22:48:03.494Z | 27.907° NE | 18.737° | 2026-05-08 22:50:03.494Z | 62.042° ENE |
| 6 mins | 2026-05-09 00:25:03.494Z | 312.196° NW | 2026-05-09 00:28:03.494Z | 117.132° SE | 42.807° | 2026-05-09 00:31:03.494Z | 128.822° SE |
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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