STARLINK-4644, 53719
Orbit data source: Space-Track
STARLINK-4644, 53719 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 05 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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53719 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: 2 days ago
TLE from 2 days ago
0 STARLINK-4644
1 53719U 22107V 26171.19125100 .00000649 00000-0 58856-4 0 9998
2 53719 53.1610 123.4847 0001073 78.6878 281.4234 15.08834750210319Epoch: 2026-06-20T04:35Z
TLE epoch observation values (Epoch: 2026-06-20T04:35:24.086Z)
Latitude
-0.00001°
Longitude
146.22491°
Altitude
540.504 km
Speed
7.593 km/s
True Right ascension
08h 13m 56s
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
00:27:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.756 km
Perigee altitude
539.271 km
Semi-major axis
6,918.15 km
Eccentricity
0.00011
Inclination
53.161°
RAAN
123.4847°
Arg. of periapsis
78.6878°
True anomaly
281.41135°
Mean anomaly
281.4234°
Eccentric anomaly
281.41737°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000058856
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Other satellites on launch #107 in the year 2022 (2022-09-05 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-4644 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 | 2026-06-22 21:55:33.977Z | 182.324° SSW | 2026-06-22 21:58:33.977Z | 120.763° SE | 24.669° | 2026-06-22 22:01:33.977Z | 72.125° E |
| 5 mins | 2026-06-22 23:35:33.977Z | 271.83° WNW | 2026-06-22 23:37:33.977Z | 333.35° NNW | 33.653° | 2026-06-22 23:40:33.977Z | 35.121° NE |
| 5 mins | 2026-06-23 04:36:33.977Z | 338.71° N | 2026-06-23 04:38:33.977Z | 24.131° NE | 27.993° | 2026-06-23 04:41:33.977Z | 87.994° E |
| 6 mins | 2026-06-23 06:15:33.977Z | 288.357° WNW | 2026-06-23 06:18:33.977Z | 209.529° SW | 31.96° | 2026-06-23 06:21:33.977Z | 159.015° 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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