STARLINK-3605, 51805
Orbit data source: Space-Track
STARLINK-3605, 51805 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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51805 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-3605
1 51805U 22017AP 26171.43004264 .00000683 00000-0 60999-4 0 9995
2 51805 53.1595 227.8624 0000813 33.4266 326.6777 15.08835525239752Epoch: 2026-06-20T10:19Z
TLE epoch observation values (Epoch: 2026-06-20T10:19:15.684Z)
Latitude
0.00003°
Longitude
164.40229°
Altitude
540.178 km
Speed
7.594 km/s
True Right ascension
15h 11m 26s
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
21:33:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.574 km
Perigee altitude
539.449 km
Semi-major axis
6,918.148 km
Eccentricity
0.00008
Inclination
53.1595°
RAAN
227.8624°
Arg. of periapsis
33.4266°
True anomaly
326.67258°
Mean anomaly
326.6777°
Eccentric anomaly
326.67514°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000060999
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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-3605 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 12:04:40.877Z | 326.958° NNW | 2026-06-22 12:07:40.877Z | 29.652° NE | 31.721° | 2026-06-22 12:10:40.877Z | 95.947° ESE |
| 5 mins | 2026-06-22 13:44:40.877Z | 280.356° WNW | 2026-06-22 13:46:40.877Z | 238.787° WSW | 27.197° | 2026-06-22 13:49:40.877Z | 173.259° S |
| 6 mins | 2026-06-23 05:15:40.877Z | 200.685° SSW | 2026-06-23 05:18:40.877Z | 116.197° SE | 35.141° | 2026-06-23 05:21:40.877Z | 63.046° ENE |
| 5 mins | 2026-06-23 06:55:40.877Z | 284.317° WNW | 2026-06-23 06:57:40.877Z | 328.864° NNW | 26.214° | 2026-06-23 07:00:40.877Z | 28.341° 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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