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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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 26137.16552691 .00000207 00000-0 31099-4 0 9995
2 53803 53.2182 301.7645 0001194 119.8583 240.2528 15.08836500204362Epoch: 2026-05-17T03:58Z
TLE epoch observation values (Epoch: 2026-05-17T03:58:21.525Z)
Latitude
0.00001°
Longitude
7.30276°
Altitude
541.062 km
Speed
7.593 km/s
True Right ascension
20h 07m 03s
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
23:01:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.825 km
Perigee altitude
539.173 km
Semi-major axis
6,918.136 km
Eccentricity
0.00012
Inclination
53.2182°
RAAN
301.7645°
Arg. of periapsis
119.8583°
True anomaly
240.24092°
Mean anomaly
240.2528°
Eccentric anomaly
240.24686°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000031099
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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 | 2026-05-17 15:21:33.680Z | 290.146° WNW | 2026-05-17 15:24:33.680Z | 346.886° N | 20.632° | 2026-05-17 15:26:33.680Z | 21.447° NNE |
| 4 mins | 2026-05-17 18:43:33.680Z | 347.62° N | 2026-05-17 18:45:33.680Z | 23.724° NE | 17.409° | 2026-05-17 18:47:33.680Z | 57.136° ENE |
| 6 mins | 2026-05-17 20:22:33.680Z | 316.921° NNW | 2026-05-17 20:25:33.680Z | 72.82° E | 42.591° | 2026-05-17 20:28:33.680Z | 121.573° SE |
| 6 mins | 2026-05-18 13:33:33.680Z | 233.107° WSW | 2026-05-18 13:35:33.680Z | 279.085° WNW | 44.73° | 2026-05-18 13:39:33.680Z | 48.823° ENE |
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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