STARLINK-4422, 53639
Orbit data source: Space-Track
STARLINK-4422, 53639 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 28 Aug 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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53639 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
300 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-4422
1 53639U 22104BD 25300.84765534 .00000292 00000-0 36408-4 0 9995
2 53639 53.2159 100.2589 0001382 85.0490 275.0660 15.08841692176002Epoch: 2025-10-27T20:20Z
TLE epoch observation values (Epoch: 2025-10-27T20:20:37.421Z)
Latitude
-0.00001°
Longitude
118.65935°
Altitude
540.551 km
Speed
7.593 km/s
True Right ascension
06h 41m 02s
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
07:01:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.939 km
Perigee altitude
539.027 km
Semi-major axis
6,918.12 km
Eccentricity
0.00014
Inclination
53.2159°
RAAN
100.2589°
Arg. of periapsis
85.049°
True anomaly
275.05023°
Mean anomaly
275.066°
Eccentric anomaly
275.05811°
Mean motion
3.77191 °/min
Orbital period
95.44 mins
BSTAR
0.000036408
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Other satellites on launch #104 in the year 2022 (2022-08-28 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-4422 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 | 2025-10-28 12:23:45.402Z | 171.305° S | 2025-10-28 12:25:45.402Z | 136.215° SSE | 20.296° | 2025-10-28 12:28:45.402Z | 82.156° E |
| 6 mins | 2025-10-28 14:02:45.402Z | 256.128° W | 2025-10-28 14:04:45.402Z | 301.398° NW | 36.792° | 2025-10-28 14:08:45.402Z | 40.351° NE |
| 4 mins | 2025-10-28 15:43:45.402Z | 318.662° NNW | 2025-10-28 15:45:45.402Z | 353.062° N | 15.186° | 2025-10-28 15:47:45.402Z | 22.918° NE |
| 5 mins | 2025-10-28 19:04:45.402Z | 348.037° N | 2025-10-28 19:06:45.402Z | 35.427° NE | 24.558° | 2025-10-28 19:09:45.402Z | 85.729° E |
| 6 mins | 2025-10-28 20:43:45.402Z | 292.075° WNW | 2025-10-28 20:45:45.402Z | 238.324° WSW | 37.999° | 2025-10-28 20:49:45.402Z | 149.154° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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