STARLINK-4378, 53476
Orbit data source: Space-Track
STARLINK-4378, 53476 is a payload satellite owned by SpaceX/Seattle (US) in SSO that was launched on Fri, 12 Aug 2022 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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53476 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
300 kg wet, ~275 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-4378
1 53476U 22099M 26145.28626794 .00001218 00000-0 88444-4 0 9993
2 53476 97.4525 265.3098 0001285 134.1641 225.9692 15.05663598207505Epoch: 2026-05-25T06:52Z
TLE epoch observation values (Epoch: 2026-05-25T06:52:13.550Z)
Latitude
0.00001°
Longitude
-80.6229°
Altitude
553.158 km
Speed
7.585 km/s
True Right ascension
17h 41m 14s
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
06:59:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
547.346 km
Perigee altitude
545.567 km
Semi-major axis
6,924.593 km
Eccentricity
0.00013
Inclination
97.4525°
RAAN
265.3098°
Arg. of periapsis
134.1641°
True anomaly
225.95861°
Mean anomaly
225.9692°
Eccentric anomaly
225.96391°
Mean motion
3.76662 °/min
Orbital period
95.58 mins
BSTAR
0.000088444
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Other satellites on launch #99 in the year 2022 (2022-08-12 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-4378 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-25 21:47:40.769Z | 330.111° NNW | 2026-05-25 21:49:40.769Z | 294.057° NW | 18.76° | 2026-05-25 21:51:40.769Z | 256.144° W |
| 5 mins | 2026-05-26 08:31:40.769Z | 205.269° SW | 2026-05-26 08:33:40.769Z | 255.741° W | 31.577° | 2026-05-26 08:36:40.769Z | 325.749° NNW |
| 5 mins | 2026-05-26 20:08:40.769Z | 52.159° ENE | 2026-05-26 20:10:40.769Z | 93.585° ESE | 22.834° | 2026-05-26 20:13:40.769Z | 148.99° SSE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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