STARLINK-3400, 51128
Orbit data source: Space-Track
STARLINK-3400, 51128 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 19 Jan 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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51128 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
297 kg wet, ~275 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-3400
1 51128U 22005AA 26171.34079356 .00000457 00000-0 46817-4 0 9996
2 51128 53.1589 198.1874 0000845 71.0789 289.0294 15.08838325244228Epoch: 2026-06-20T08:10Z
TLE epoch observation values (Epoch: 2026-06-20T08:10:44.563Z)
Latitude
-0.00002°
Longitude
166.94489°
Altitude
540.449 km
Speed
7.593 km/s
True Right ascension
13h 12m 44s
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
21:52:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.587 km
Perigee altitude
539.418 km
Semi-major axis
6,918.14 km
Eccentricity
0.00008
Inclination
53.1589°
RAAN
198.1874°
Arg. of periapsis
71.0789°
True anomaly
289.02025°
Mean anomaly
289.0294°
Eccentric anomaly
289.02482°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000046817
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Other satellites on launch #5 in the year 2022 (2022-01-19 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-3400 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 11:35:16.200Z | 290.182° WNW | 2026-06-22 11:38:16.200Z | 221.348° SW | 32.027° | 2026-06-22 11:41:16.200Z | 161.836° S |
| 5 mins | 2026-06-23 03:07:16.200Z | 187.136° SSW | 2026-06-23 03:09:16.200Z | 138.166° SSE | 31.022° | 2026-06-23 03:12:16.200Z | 70.811° E |
| 6 mins | 2026-06-23 04:46:16.200Z | 273.187° WNW | 2026-06-23 04:49:16.200Z | 345.956° N | 28.361° | 2026-06-23 04:52:16.200Z | 34.665° NE |
| 5 mins | 2026-06-23 09:48:16.200Z | 339.65° N | 2026-06-23 09:50:16.200Z | 39.255° NE | 32.412° | 2026-06-23 09:53:16.200Z | 99.159° ESE |
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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