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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-4729
1 53804U 22111AH 26078.65347210 .00001303 00000-0 99990-4 0 9995
2 53804 53.2165 214.1735 0001146 81.9558 278.1564 15.08830363195392Epoch: 2026-03-19T15:40Z
TLE epoch observation values (Epoch: 2026-03-19T15:40:59.989Z)
Latitude
-0.00003°
Longitude
161.72372°
Altitude
540.558 km
Speed
7.593 km/s
True Right ascension
14h 16m 41s
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
10:31:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.811 km
Perigee altitude
539.225 km
Semi-major axis
6,918.155 km
Eccentricity
0.00011
Inclination
53.2165°
RAAN
214.1735°
Arg. of periapsis
81.9558°
True anomaly
278.1434°
Mean anomaly
278.1564°
Eccentric anomaly
278.1499°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.00009999
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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 | 2026-03-20 10:54:28.358Z | 196.227° SSW | 2026-03-20 10:58:28.358Z | 115.6° SE | 28.501° | 2026-03-20 11:01:28.358Z | 67.635° E |
| 5 mins | 2026-03-20 12:35:28.358Z | 279.709° WNW | 2026-03-20 12:37:28.358Z | 335.308° NNW | 30.201° | 2026-03-20 12:40:28.358Z | 32.954° NE |
| 5 mins | 2026-03-20 17:36:28.358Z | 336.805° NNW | 2026-03-20 17:38:28.358Z | 26.012° NE | 30.852° | 2026-03-20 17:41:28.358Z | 93.826° ESE |
| 6 mins | 2026-03-20 19:15:28.358Z | 282.673° WNW | 2026-03-20 19:17:28.358Z | 242.449° WSW | 27.849° | 2026-03-20 19:21:28.358Z | 164.694° S |
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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