STARLINK-4727, 53803
Orbit data source: Space-Track
STARLINK-4727, 53803 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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53803 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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-4727
1 53803U 22111AG 25352.13177604 .00000042 00000-0 20722-4 0 9995
2 53803 53.2176 255.2952 0001150 98.6247 261.4876 15.08836862181717Epoch: 2025-12-18T03:09Z
TLE epoch observation values (Epoch: 2025-12-18T03:09:45.449Z)
Latitude
0°
Longitude
120.86415°
Altitude
540.768 km
Speed
7.593 km/s
True Right ascension
17h 01m 10s
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
12:07:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.793 km
Perigee altitude
539.202 km
Semi-major axis
6,918.135 km
Eccentricity
0.00012
Inclination
53.2176°
RAAN
255.2952°
Arg. of periapsis
98.6247°
True anomaly
261.47457°
Mean anomaly
261.4876°
Eccentric anomaly
261.48108°
Mean motion
3.7719 °/min
Orbital period
95.44 mins
BSTAR
0.000020722
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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-4727 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 | 2025-12-18 19:12:30.858Z | 167.34° S | 2025-12-18 19:14:30.858Z | 135.767° SSE | 17.196° | 2025-12-18 19:17:30.858Z | 85.657° E |
| 6 mins | 2025-12-18 20:51:30.858Z | 248.726° W | 2025-12-18 20:53:30.858Z | 292.041° WNW | 39.651° | 2025-12-18 20:57:30.858Z | 42.831° NE |
| 4 mins | 2025-12-18 22:32:30.858Z | 317.092° NNW | 2025-12-18 22:33:30.858Z | 334.346° NNW | 16.192° | 2025-12-18 22:36:30.858Z | 23.148° NE |
| 5 mins | 2025-12-19 01:53:30.858Z | 349.612° N | 2025-12-19 01:55:30.858Z | 34.022° NE | 22.48° | 2025-12-19 01:58:30.858Z | 81.835° E |
| 6 mins | 2025-12-19 03:32:30.858Z | 298.354° NW | 2025-12-19 03:34:30.858Z | 247.617° W | 41.256° | 2025-12-19 03:38:30.858Z | 143.192° SSE |
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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