STARLINK-3580, 51781
Orbit data source: Space-Track
STARLINK-3580, 51781 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 25 Feb 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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51781 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-3580
1 51781U 22017P 26171.45118954 .00000410 00000-0 43825-4 0 9999
2 51781 53.1595 237.6517 0001166 84.5224 275.5901 15.08836453237938Epoch: 2026-06-20T10:49Z
TLE epoch observation values (Epoch: 2026-06-20T10:49:42.776Z)
Latitude
0.00004°
Longitude
166.55787°
Altitude
540.567 km
Speed
7.593 km/s
True Right ascension
15h 50m 36s
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
21:33:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.815 km
Perigee altitude
539.202 km
Semi-major axis
6,918.145 km
Eccentricity
0.00012
Inclination
53.1595°
RAAN
237.6517°
Arg. of periapsis
84.5224°
True anomaly
275.5768°
Mean anomaly
275.5901°
Eccentric anomaly
275.58345°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000043825
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Other satellites on launch #17 in the year 2022 (2022-02-25 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-3580 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 12:35:53.469Z | 341.905° N | 2026-06-22 12:37:53.469Z | 33.553° NE | 28.931° | 2026-06-22 12:40:53.469Z | 92.085° ESE |
| 5 mins | 2026-06-22 14:14:53.469Z | 283.692° WNW | 2026-06-22 14:16:53.469Z | 237.236° WSW | 31.12° | 2026-06-22 14:19:53.469Z | 166.174° S |
| 6 mins | 2026-06-23 05:45:53.469Z | 192.934° SSW | 2026-06-23 05:48:53.469Z | 116.099° SE | 31.06° | 2026-06-23 05:51:53.469Z | 66.017° ENE |
| 5 mins | 2026-06-23 07:25:53.469Z | 281.553° WNW | 2026-06-23 07:27:53.469Z | 332.216° NNW | 28.663° | 2026-06-23 07:30:53.469Z | 31.183° NE |
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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