STARLINK-3391, 51117
Orbit data source: Space-Track
STARLINK-3391, 51117 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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51117 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-3391
1 51117U 22005P 26171.32698220 -.00000253 00000-0 22259-5 0 9999
2 51117 53.1586 188.1383 0001204 82.6096 277.5032 15.08835188244378Epoch: 2026-06-20T07:50Z
TLE epoch observation values (Epoch: 2026-06-20T07:50:51.262Z)
Latitude
-0.00002°
Longitude
161.88149°
Altitude
540.541 km
Speed
7.593 km/s
True Right ascension
12h 32m 33s
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
23:19:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.845 km
Perigee altitude
539.179 km
Semi-major axis
6,918.149 km
Eccentricity
0.00012
Inclination
53.1586°
RAAN
188.1383°
Arg. of periapsis
82.6096°
True anomaly
277.48952°
Mean anomaly
277.5032°
Eccentric anomaly
277.49636°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.0000022259
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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-3391 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 | 2026-06-23 02:47:05.766Z | 212.174° SW | 2026-06-23 02:50:05.766Z | 150.124° SSE | 39.999° | 2026-06-23 02:54:05.766Z | 57.517° ENE |
| 5 mins | 2026-06-23 04:28:05.766Z | 294.66° NW | 2026-06-23 04:30:05.766Z | 339.729° N | 23.598° | 2026-06-23 04:33:05.766Z | 30.228° NE |
| 5 mins | 2026-06-23 09:29:05.766Z | 327.487° NNW | 2026-06-23 09:31:05.766Z | 34.471° NE | 39.752° | 2026-06-23 09:34:05.766Z | 111.645° ESE |
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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