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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-4729
1 53804U 22111AH 26258.60792163 -.00003950 00000-0 -10583-3 0 9993
2 53804 53.1589 114.2598 0001176 82.9009 277.2127 15.34402616222721Epoch: 2026-09-15T14:35Z
TLE epoch observation values (Epoch: 2026-09-15T14:35:24.428Z)
Latitude
-0.00006°
Longitude
-99.16346°
Altitude
463.496 km
Speed
7.636 km/s
True Right ascension
07h 37m 02s
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
23:21:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.757 km
Perigee altitude
462.148 km
Semi-major axis
6,841.09 km
Eccentricity
0.00012
Inclination
53.1589°
RAAN
114.2598°
Arg. of periapsis
82.9009°
True anomaly
277.19933°
Mean anomaly
277.2127°
Eccentric anomaly
277.20602°
Mean motion
3.83579 °/min
Orbital period
93.85 mins
BSTAR
-0.00010583
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-09-16 17:22:14.836Z | 245.355° WSW | 2026-09-16 17:24:14.836Z | 309.87° NW | 63.431° | 2026-09-16 17:27:14.836Z | 42.656° NE |
| 4 mins | 2026-09-16 22:18:14.836Z | 343.424° N | 2026-09-16 22:20:14.836Z | 21.832° NNE | 18.968° | 2026-09-16 22:22:14.836Z | 61.376° ENE |
| 5 mins | 2026-09-16 23:56:14.836Z | 306.732° NW | 2026-09-16 23:58:14.836Z | 246.646° WSW | 80.557° | 2026-09-17 00:01:14.836Z | 134.938° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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