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: 1 day ago
TLE from 1 day ago
0 STARLINK-4729
1 53804U 22111AH 25340.91512334 .00000787 00000-0 67571-4 0 9991
2 53804 53.2181 315.3874 0001220 89.9586 270.1546 15.08831535179880Epoch: 2025-12-06T21:57Z
TLE epoch observation values (Epoch: 2025-12-06T21:57:46.656Z)
Latitude
-0.00003°
Longitude
-89.99303°
Altitude
540.665 km
Speed
7.593 km/s
True Right ascension
21h 01m 32s
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
19:45:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.858 km
Perigee altitude
539.17 km
Semi-major axis
6,918.151 km
Eccentricity
0.00012
Inclination
53.2181°
RAAN
315.3874°
Arg. of periapsis
89.9586°
True anomaly
270.14062°
Mean anomaly
270.1546°
Eccentric anomaly
270.14761°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000067571
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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 | 2025-12-08 01:10:41.292Z | 233.517° WSW | 2025-12-08 01:13:41.292Z | 338.275° N | 44.624° | 2025-12-08 01:16:41.292Z | 47.328° ENE |
| 4 mins | 2025-12-08 02:51:41.292Z | 306.033° NW | 2025-12-08 02:53:41.292Z | 343.436° N | 18.465° | 2025-12-08 02:55:41.292Z | 18.047° NNE |
| 5 mins | 2025-12-08 06:12:41.292Z | 344.157° N | 2025-12-08 06:14:41.292Z | 21.278° NNE | 19.686° | 2025-12-08 06:17:41.292Z | 71.258° E |
| 6 mins | 2025-12-08 07:51:41.292Z | 309.361° NW | 2025-12-08 07:54:41.292Z | 148.568° SSE | 44.696° | 2025-12-08 07:57:41.292Z | 132.394° 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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