STARLINK-5399, 54788
Orbit data source: Space-Track
STARLINK-5399, 54788 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 17 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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54788 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: 3 days ago
TLE from 3 days ago
0 STARLINK-5399
1 54788U 22175AG 26170.71426148 .00000228 00000-0 32403-4 0 9996
2 54788 53.1613 290.8684 0001250 85.4712 274.6422 15.08833321195539Epoch: 2026-06-19T17:08Z
TLE epoch observation values (Epoch: 2026-06-19T17:08:32.191Z)
Latitude
-0.00006°
Longitude
125.79495°
Altitude
540.585 km
Speed
7.593 km/s
True Right ascension
19h 23m 28s
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
23:21:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.882 km
Perigee altitude
539.153 km
Semi-major axis
6,918.155 km
Eccentricity
0.00013
Inclination
53.1613°
RAAN
290.8684°
Arg. of periapsis
85.4712°
True anomaly
274.62792°
Mean anomaly
274.6422°
Eccentric anomaly
274.63506°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000032403
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Other satellites on launch #175 in the year 2022 (2022-12-17 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-5399 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 | 2026-06-22 15:33:45.729Z | 343.361° N | 2026-06-22 15:35:45.729Z | 26.259° NE | 24.086° | 2026-06-22 15:38:45.729Z | 81.418° E |
| 6 mins | 2026-06-22 17:12:45.729Z | 296.536° NW | 2026-06-22 17:15:45.729Z | 196.76° SSW | 38.397° | 2026-06-22 17:18:45.729Z | 148.138° SSE |
| 5 mins | 2026-06-23 08:44:45.729Z | 171.17° S | 2026-06-23 08:46:45.729Z | 127.451° SE | 23.911° | 2026-06-23 08:49:45.729Z | 75.062° E |
| 5 mins | 2026-06-23 10:23:45.729Z | 266.732° W | 2026-06-23 10:25:45.729Z | 322.696° NNW | 34.62° | 2026-06-23 10:28:45.729Z | 34.207° NE |
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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