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, 4.4 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 25258.51246244 .00000767 00000-0 66279-4 0 9991
2 53804 53.2184 325.3089 0001143 70.7153 289.3963 15.08843218167449Epoch: 2025-09-15T12:17Z
TLE epoch observation values (Epoch: 2025-09-15T12:17:56.754Z)
Latitude
-0.00002°
Longitude
146.10636°
Altitude
540.369 km
Speed
7.594 km/s
True Right ascension
21h 41m 14s
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
20:31:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.769 km
Perigee altitude
539.188 km
Semi-major axis
6,918.115 km
Eccentricity
0.00011
Inclination
53.2184°
RAAN
325.3089°
Arg. of periapsis
70.7153°
True anomaly
289.38394°
Mean anomaly
289.3963°
Eccentric anomaly
289.39012°
Mean motion
3.77191 °/min
Orbital period
95.44 mins
BSTAR
0.000066279
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-16 05:56:28.521Z | 158.557° S | 2025-09-16 05:58:28.521Z | 124.954° SE | 16.1° | 2025-09-16 06:00:28.521Z | 92.335° ESE |
| 6 mins | 2025-09-16 07:34:28.521Z | 243.029° WSW | 2025-09-16 07:37:28.521Z | 336.92° NNW | 42.022° | 2025-09-16 07:40:28.521Z | 42.794° NE |
| 5 mins | 2025-09-16 12:36:28.521Z | 343.711° N | 2025-09-16 12:38:28.521Z | 23.305° NE | 21.834° | 2025-09-16 12:41:28.521Z | 76.226° E |
| 6 mins | 2025-09-16 14:15:28.521Z | 302.978° NW | 2025-09-16 14:18:28.521Z | 191.085° SSW | 42.458° | 2025-09-16 14:21:28.521Z | 141.18° SSE |
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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