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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-3391
1 51117U 22005P 26094.22353867 .00000098 00000-0 24243-4 0 9997
2 51117 53.2160 174.3855 0001309 84.0961 276.0181 15.08839715232737Epoch: 2026-04-04T05:21Z
TLE epoch observation values (Epoch: 2026-04-04T05:21:53.741Z)
Latitude
0.00005°
Longitude
-98.63478°
Altitude
540.547 km
Speed
7.593 km/s
True Right ascension
11h 37m 32s
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
20:40:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.895 km
Perigee altitude
539.084 km
Semi-major axis
6,918.126 km
Eccentricity
0.00013
Inclination
53.216°
RAAN
174.3855°
Arg. of periapsis
84.0961°
True anomaly
276.00318°
Mean anomaly
276.0181°
Eccentric anomaly
276.01064°
Mean motion
3.7719 °/min
Orbital period
95.44 mins
BSTAR
0.000024243
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-04-04 15:25:39.546Z | 298.803° NW | 2026-04-04 15:28:39.546Z | 227.037° WSW | 39.307° | 2026-04-04 15:31:39.546Z | 150.788° SSE |
| 5 mins | 2026-04-05 06:57:39.546Z | 178.2° S | 2026-04-05 06:59:39.546Z | 139.889° SSE | 24.128° | 2026-04-05 07:02:39.546Z | 78.989° E |
| 6 mins | 2026-04-05 08:36:39.546Z | 262.649° W | 2026-04-05 08:39:39.546Z | 345.926° N | 33.214° | 2026-04-05 08:42:39.546Z | 37.142° NE |
| 5 mins | 2026-04-05 13:38:39.546Z | 343.616° N | 2026-04-05 13:40:39.546Z | 33.364° NE | 27.44° | 2026-04-05 13:43:39.546Z | 89.659° 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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