STARLINK-3655, 51983
Orbit data source: Space-Track
STARLINK-3655, 51983 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 09 Mar 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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51983 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: 3 days ago
TLE from 3 days ago
0 STARLINK-3655
1 51983U 22025AD 26170.68759617 .00000326 00000-0 38542-4 0 9999
2 51983 53.1602 301.1296 0001107 78.4169 281.6946 15.08836740236459Epoch: 2026-06-19T16:30Z
TLE epoch observation values (Epoch: 2026-06-19T16:30:08.309Z)
Latitude
-0.00006°
Longitude
145.68195°
Altitude
540.49 km
Speed
7.593 km/s
True Right ascension
20h 04m 31s
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
21:38:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.773 km
Perigee altitude
539.242 km
Semi-major axis
6,918.144 km
Eccentricity
0.00011
Inclination
53.1602°
RAAN
301.1296°
Arg. of periapsis
78.4169°
True anomaly
281.68218°
Mean anomaly
281.6946°
Eccentric anomaly
281.68839°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000038542
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Other satellites on launch #25 in the year 2022 (2022-03-09 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-3655 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 11:29:05.823Z | 260.104° W | 2026-06-22 11:32:05.823Z | 320.952° NNW | 32.894° | 2026-06-22 11:35:05.823Z | 32.306° NE |
| 6 mins | 2026-06-22 16:31:05.823Z | 334.519° NNW | 2026-06-22 16:33:05.823Z | 14.661° NNE | 28.015° | 2026-06-22 16:37:05.823Z | 94.806° ESE |
| 5 mins | 2026-06-22 18:11:05.823Z | 278.611° WNW | 2026-06-22 18:13:05.823Z | 221.287° SW | 31.654° | 2026-06-22 18:16:05.823Z | 162.346° S |
| 5 mins | 2026-06-23 09:42:05.823Z | 187.726° SSW | 2026-06-23 09:44:05.823Z | 138.177° SSE | 31.39° | 2026-06-23 09:47:05.823Z | 70.411° 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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