STARLINK-3623, 51772
Orbit data source: Space-Track
STARLINK-3623, 51772 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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51772 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-3623
1 51772U 22017E 26171.47327582 -.00000109 00000-0 11236-4 0 9997
2 51772 53.1580 237.5888 0001035 70.5134 289.5970 15.08833715238112Epoch: 2026-06-20T11:21Z
TLE epoch observation values (Epoch: 2026-06-20T11:21:31.030Z)
Latitude
0.00003°
Longitude
158.52214°
Altitude
540.414 km
Speed
7.593 km/s
True Right ascension
15h 50m 21s
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
21:30:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.733 km
Perigee altitude
539.301 km
Semi-major axis
6,918.154 km
Eccentricity
0.0001
Inclination
53.158°
RAAN
237.5888°
Arg. of periapsis
70.5134°
True anomaly
289.58583°
Mean anomaly
289.597°
Eccentric anomaly
289.59141°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000011236
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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-3623 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 11:28:49.228Z | 341.158° N | 2026-06-22 11:30:49.228Z | 13.541° NNE | 16.154° | 2026-06-22 11:32:49.228Z | 47.784° ENE |
| 6 mins | 2026-06-22 13:08:49.228Z | 325.207° NNW | 2026-06-22 13:10:49.228Z | 20.54° NNE | 39.726° | 2026-06-22 13:14:49.228Z | 115.495° SE |
| 4 mins | 2026-06-22 14:48:49.228Z | 256.255° W | 2026-06-22 14:49:49.228Z | 237.192° WSW | 18.268° | 2026-06-22 14:52:49.228Z | 187.479° SSW |
| 6 mins | 2026-06-23 06:18:49.228Z | 221.817° SW | 2026-06-23 06:21:49.228Z | 86.512° E | 43.235° | 2026-06-23 06:24:49.228Z | 53.281° ENE |
| 4 mins | 2026-06-23 07:59:49.228Z | 307.558° NW | 2026-06-23 08:00:49.228Z | 328.002° NNW | 20.664° | 2026-06-23 08:03:49.228Z | 23.444° 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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