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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Edit Public Description
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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-4729
1 53804U 22111AH 25289.44658605 .00000249 00000-0 33711-4 0 9995
2 53804 53.2152 186.4406 0001280 82.2296 277.8841 15.08836314172117Epoch: 2025-10-16T10:43Z
TLE epoch observation values (Epoch: 2025-10-16T10:43:05.034Z)
Latitude
-0.00007°
Longitude
0.46339°
Altitude
540.531 km
Speed
7.593 km/s
True Right ascension
12h 25m 45s
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
21:26:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.885 km
Perigee altitude
539.114 km
Semi-major axis
6,918.137 km
Eccentricity
0.00013
Inclination
53.2152°
RAAN
186.4406°
Arg. of periapsis
82.2296°
True anomaly
277.86957°
Mean anomaly
277.8841°
Eccentric anomaly
277.87684°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000033711
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-10-17 03:07:19.875Z | 304.859° NW | 2025-10-17 03:11:19.875Z | 197.38° SSW | 42.162° | 2025-10-17 03:14:19.875Z | 142.487° SSE |
| 5 mins | 2025-10-17 18:40:19.875Z | 169.238° S | 2025-10-17 18:42:19.875Z | 131.603° SE | 20.895° | 2025-10-17 18:45:19.875Z | 79.565° E |
| 6 mins | 2025-10-17 20:19:19.875Z | 258.95° W | 2025-10-17 20:21:19.875Z | 312.858° NW | 37.133° | 2025-10-17 20:25:19.875Z | 40.918° NE |
| 5 mins | 2025-10-18 01:21:19.875Z | 351.359° N | 2025-10-18 01:23:19.875Z | 41.046° NE | 24.479° | 2025-10-18 01:26:19.875Z | 87.864° E |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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