STARLINK-3609, 51808
Orbit data source: Space-Track
STARLINK-3609, 51808 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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51808 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-3609
1 51808U 22017AS 26171.42911654 .00000937 00000-0 76973-4 0 9998
2 51808 53.1602 237.7895 0000839 85.8591 274.2496 15.08833323239473Epoch: 2026-06-20T10:17Z
TLE epoch observation values (Epoch: 2026-06-20T10:17:55.669Z)
Latitude
-0.00003°
Longitude
174.66366°
Altitude
540.612 km
Speed
7.593 km/s
True Right ascension
15h 51m 09s
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
21:32:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.598 km
Perigee altitude
539.437 km
Semi-major axis
6,918.155 km
Eccentricity
0.00008
Inclination
53.1602°
RAAN
237.7895°
Arg. of periapsis
85.8591°
True anomaly
274.24001°
Mean anomaly
274.2496°
Eccentric anomaly
274.24481°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000076973
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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-3609 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 12:01:36.991Z | 334.337° NNW | 2026-06-22 12:04:36.991Z | 27.554° NE | 20.981° | 2026-06-22 12:07:36.991Z | 76.356° E |
| 6 mins | 2026-06-22 13:41:36.991Z | 304.966° NW | 2026-06-22 13:44:36.991Z | 165.25° S | 42.386° | 2026-06-22 13:47:36.991Z | 137.413° SSE |
| 5 mins | 2026-06-23 06:52:36.991Z | 255.485° W | 2026-06-23 06:54:36.991Z | 325.661° NNW | 39.817° | 2026-06-23 06:57:36.991Z | 39.641° NE |
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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