STARLINK-3398, 51120
Orbit data source: Space-Track
STARLINK-3398, 51120 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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51120 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-3398
1 51120U 22005S 26171.32797183 .00000666 00000-0 59946-4 0 9990
2 51120 53.1586 188.2554 0001182 72.2339 287.8782 15.08835162244371Epoch: 2026-06-20T07:52Z
TLE epoch observation values (Epoch: 2026-06-20T07:52:16.766Z)
Latitude
0.00005°
Longitude
161.6414°
Altitude
540.398 km
Speed
7.593 km/s
True Right ascension
12h 33m 01s
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
21:58:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.83 km
Perigee altitude
539.195 km
Semi-major axis
6,918.15 km
Eccentricity
0.00012
Inclination
53.1586°
RAAN
188.2554°
Arg. of periapsis
72.2339°
True anomaly
287.86531°
Mean anomaly
287.8782°
Eccentric anomaly
287.87175°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000059946
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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-3398 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 11:17:13.613Z | 284.772° WNW | 2026-06-22 11:20:13.613Z | 234.815° WSW | 22.845° | 2026-06-22 11:23:13.613Z | 179.269° S |
| 6 mins | 2026-06-23 02:49:13.613Z | 209.701° SW | 2026-06-23 02:52:13.613Z | 102.318° ESE | 39.02° | 2026-06-23 02:55:13.613Z | 58.113° ENE |
| 5 mins | 2026-06-23 04:29:13.613Z | 290.132° WNW | 2026-06-23 04:31:13.613Z | 331.298° NNW | 23.475° | 2026-06-23 04:34:13.613Z | 27.059° NE |
| 6 mins | 2026-06-23 09:30:13.613Z | 324.137° NNW | 2026-06-23 09:32:13.613Z | 12.041° NNE | 39.249° | 2026-06-23 09:36:13.613Z | 115.114° SE |
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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