STARLINK-5128, 53998
Orbit data source: Space-Track
STARLINK-5128, 53998 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 05 Oct 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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53998 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-5128
1 53998U 22125AL 26171.21427813 -.00000189 00000-0 62498-5 0 9994
2 53998 53.1608 113.5185 0001378 88.7735 271.3415 15.08828238204947Epoch: 2026-06-20T05:08Z
TLE epoch observation values (Epoch: 2026-06-20T05:08:33.630Z)
Latitude
0.00004°
Longitude
127.94629°
Altitude
540.649 km
Speed
7.593 km/s
True Right ascension
07h 34m 04s
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
21:30:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.987 km
Perigee altitude
539.08 km
Semi-major axis
6,918.17 km
Eccentricity
0.00014
Inclination
53.1608°
RAAN
113.5185°
Arg. of periapsis
88.7735°
True anomaly
271.32571°
Mean anomaly
271.3415°
Eccentric anomaly
271.33361°
Mean motion
3.77187 °/min
Orbital period
95.44 mins
BSTAR
0.0000062498
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Other satellites on launch #125 in the year 2022 (2022-10-05 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-5128 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 20:52:59.287Z | 163.269° S | 2026-06-22 20:54:59.287Z | 131.34° SE | 16.273° | 2026-06-22 20:56:59.287Z | 96.729° ESE |
| 6 mins | 2026-06-22 22:31:59.287Z | 247.062° WSW | 2026-06-22 22:33:59.287Z | 304.004° NW | 41.723° | 2026-06-22 22:37:59.287Z | 44.626° NE |
| 4 mins | 2026-06-23 03:33:59.287Z | 353.89° N | 2026-06-23 03:34:59.287Z | 15.026° NNE | 21.85° | 2026-06-23 03:37:59.287Z | 73.101° E |
| 6 mins | 2026-06-23 05:12:59.287Z | 298.977° NW | 2026-06-23 05:14:59.287Z | 229.631° WSW | 42.709° | 2026-06-23 05:18:59.287Z | 140.738° SSE |
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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