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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-4729
1 53804U 22111AH 25347.00922514 -.00001372 00000-0 -68147-4 0 9996
2 53804 53.2185 288.0311 0001337 103.1682 256.9459 15.08821563180800Epoch: 2025-12-13T00:13Z
TLE epoch observation values (Epoch: 2025-12-13T00:13:17.052Z)
Latitude
-0.00003°
Longitude
-157.23263°
Altitude
540.906 km
Speed
7.593 km/s
True Right ascension
19h 12m 07s
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
05:22:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.969 km
Perigee altitude
539.12 km
Semi-major axis
6,918.182 km
Eccentricity
0.00013
Inclination
53.2185°
RAAN
288.0311°
Arg. of periapsis
103.1682°
True anomaly
256.93098°
Mean anomaly
256.9459°
Eccentric anomaly
256.93844°
Mean motion
3.77186 °/min
Orbital period
95.44 mins
BSTAR
-0.000068147
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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 | 2025-12-13 07:07:33.725Z | 283.86° WNW | 2025-12-13 07:10:33.725Z | 235.658° WSW | 21.389° | 2025-12-13 07:13:33.725Z | 181.919° SSW |
| 6 mins | 2025-12-13 22:39:33.725Z | 213.97° SW | 2025-12-13 22:42:33.725Z | 99.54° ESE | 40.815° | 2025-12-13 22:45:33.725Z | 56.394° ENE |
| 5 mins | 2025-12-14 00:19:33.725Z | 290.916° WNW | 2025-12-14 00:21:33.725Z | 329.765° NNW | 22.385° | 2025-12-14 00:24:33.725Z | 25.521° NE |
| 4 mins | 2025-12-14 03:41:33.725Z | 352.303° N | 2025-12-14 03:42:33.725Z | 9.655° NNE | 16.328° | 2025-12-14 03:45:33.725Z | 58.643° ENE |
| 6 mins | 2025-12-14 05:20:33.725Z | 321.852° NNW | 2025-12-14 05:22:33.725Z | 3.981° NNE | 39.928° | 2025-12-14 05:26:33.725Z | 117.328° 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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