STARLINK-5385, 54821
Orbit data source: Space-Track
STARLINK-5385, 54821 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 28 Dec 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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54821 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-5385
1 54821U 22177B 26171.34289697 .00000743 00000-0 36531-4 0 9990
2 54821 43.0034 276.2665 0001947 274.1326 85.9303 15.27569666192627Epoch: 2026-06-20T08:13Z
TLE epoch observation values (Epoch: 2026-06-20T08:13:46.298Z)
Latitude
-0.00002°
Longitude
-115.73531°
Altitude
482.761 km
Speed
7.626 km/s
True Right ascension
18h 25m 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
21:24:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.361 km
Perigee altitude
483.688 km
Semi-major axis
6,863.162 km
Eccentricity
0.00019
Inclination
43.0034°
RAAN
276.2665°
Arg. of periapsis
274.1326°
True anomaly
85.95256°
Mean anomaly
85.9303°
Eccentric anomaly
85.94143°
Mean motion
3.8173 °/min
Orbital period
94.31 mins
BSTAR
0.000036531
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Other satellites on launch #177 in the year 2022 (2022-12-28 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-5385 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 10:41:37.345Z | 248.768° W | 2026-06-22 10:44:37.345Z | 232.581° WSW | 44.331° | 2026-06-22 10:47:37.345Z | 72.573° E |
| 6 mins | 2026-06-22 12:21:37.345Z | 287.808° WNW | 2026-06-22 12:23:37.345Z | 335.832° NNW | 37.172° | 2026-06-22 12:27:37.345Z | 75.847° E |
| 6 mins | 2026-06-22 14:00:37.345Z | 290.66° WNW | 2026-06-22 14:03:37.345Z | 81.076° E | 42.14° | 2026-06-22 14:06:37.345Z | 103.158° ESE |
| 4 mins | 2026-06-22 15:40:37.345Z | 246.546° WSW | 2026-06-22 15:41:37.345Z | 220.444° SW | 25.08° | 2026-06-22 15:44:37.345Z | 156.453° SSE |
| 6 mins | 2026-06-23 10:14:37.345Z | 247.555° W | 2026-06-23 10:16:37.345Z | 238.471° WSW | 42.242° | 2026-06-23 10:20:37.345Z | 72.546° E |
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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