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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-5198
1 54099U 22136BA 26270.33335648 .00006547 00000-0 32999-3 0 9990
2 54099 53.1592 147.4822 0001130 61.4598 14.6990 15.18335746 5759Epoch: 2026-09-27T08:00Z
TLE epoch observation values (Epoch: 2026-09-27T08:00:01.999Z)
Latitude
51.14337°
Longitude
88.98726°
Altitude
516.204 km
Speed
7.612 km/s
True Right ascension
14h 20m 29s
True Declination
50° 58' 10"
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
18:17:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
511.904 km
Perigee altitude
510.347 km
Semi-major axis
6,889.262 km
Eccentricity
0.00011
Inclination
53.1592°
RAAN
147.4822°
Arg. of periapsis
61.4598°
True anomaly
14.70229°
Mean anomaly
14.699°
Eccentric anomaly
14.70064°
Mean motion
3.79563 °/min
Orbital period
94.85 mins
BSTAR
0.00032999
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-09-28 01:32:38.231Z | 309.789° NW | 2026-09-28 01:35:38.231Z | 307.674° NW | 68.908° | 2026-09-28 01:39:38.231Z | 131.677° SE |
| 6 mins | 2026-09-28 18:37:38.231Z | 241.069° WSW | 2026-09-28 18:39:38.231Z | 305.719° NW | 71.475° | 2026-09-28 18:43:38.231Z | 46.591° ENE |
| 4 mins | 2026-09-28 20:17:38.231Z | 314.496° NW | 2026-09-28 20:18:38.231Z | 332.91° NNW | 17.612° | 2026-09-28 20:21:38.231Z | 23.498° NE |
| 4 mins | 2026-09-28 23:37:38.231Z | 355.882° N | 2026-09-28 23:38:38.231Z | 16.255° NNE | 20.571° | 2026-09-28 23:41:38.231Z | 70.203° E |
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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