STARLINK-5198, 54099
Orbit data source: Space-Track
STARLINK-5198, 54099 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 20 Oct 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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54099 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-5198
1 54099U 22136BA 26171.44976154 .00000701 00000-0 62104-4 0 9993
2 54099 53.1590 232.2505 0000893 58.2764 301.8314 15.08830451202507Epoch: 2026-06-20T10:47Z
TLE epoch observation values (Epoch: 2026-06-20T10:47:39.397Z)
Latitude
-0.00003°
Longitude
161.67211°
Altitude
540.338 km
Speed
7.594 km/s
True Right ascension
15h 29m 00s
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
21:36:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.645 km
Perigee altitude
539.409 km
Semi-major axis
6,918.164 km
Eccentricity
0.00009
Inclination
53.159°
RAAN
232.2505°
Arg. of periapsis
58.2764°
True anomaly
301.82271°
Mean anomaly
301.8314°
Eccentric anomaly
301.82705°
Mean motion
3.77187 °/min
Orbital period
95.44 mins
BSTAR
0.000062104
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Other satellites on launch #136 in the year 2022 (2022-10-20 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-5198 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 | 2026-06-22 10:54:52.672Z | 347.78° N | 2026-06-22 10:56:52.672Z | 21.254° NNE | 14.739° | 2026-06-22 10:58:52.672Z | 51.072° ENE |
| 6 mins | 2026-06-22 12:33:52.672Z | 326.234° NNW | 2026-06-22 12:36:52.672Z | 45.794° ENE | 35.246° | 2026-06-22 12:39:52.672Z | 105.02° ESE |
| 5 mins | 2026-06-22 14:13:52.672Z | 270.401° WNW | 2026-06-22 14:15:52.672Z | 228.11° WSW | 22.945° | 2026-06-22 14:18:52.672Z | 176.688° S |
| 6 mins | 2026-06-23 05:44:52.672Z | 207.835° SW | 2026-06-23 05:46:52.672Z | 154.993° SSE | 40.144° | 2026-06-23 05:50:52.672Z | 57.373° ENE |
| 5 mins | 2026-06-23 07:24:52.672Z | 294.02° NW | 2026-06-23 07:26:52.672Z | 338.135° N | 23.467° | 2026-06-23 07:29:52.672Z | 29.572° NE |
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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