STARLINK-3637, 51799
Orbit data source: Space-Track
STARLINK-3637, 51799 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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51799 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-3637
1 51799U 22017AH 26171.41668980 .00005101 00000-0 27127-3 0 9991
2 51799 53.1595 247.6513 0000844 24.7897 11.8206 15.16894411 5825Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
28.59537°
Longitude
-147.0254°
Altitude
516.142 km
Speed
7.61 km/s
True Right ascension
18h 06m 27s
True Declination
28° 26' 46"
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
21:30:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
516.07 km
Perigee altitude
514.907 km
Semi-major axis
6,893.625 km
Eccentricity
0.00008
Inclination
53.1595°
RAAN
247.6513°
Arg. of periapsis
24.7897°
True anomaly
11.82258°
Mean anomaly
11.8206°
Eccentric anomaly
11.82159°
Mean motion
3.79203 °/min
Orbital period
94.94 mins
BSTAR
0.00027127
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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-3637 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 12:54:27.730Z | 341.946° N | 2026-06-22 12:56:27.730Z | 23.591° NE | 23.044° | 2026-06-22 12:59:27.730Z | 80.216° E |
| 5 mins | 2026-06-22 14:33:27.730Z | 294.237° NW | 2026-06-22 14:35:27.730Z | 233.486° WSW | 39.707° | 2026-06-22 14:38:27.730Z | 149.312° SSE |
| 4 mins | 2026-06-23 06:00:27.730Z | 157.844° S | 2026-06-23 06:01:27.730Z | 136.783° SSE | 20.433° | 2026-06-23 06:04:27.730Z | 81.131° E |
| 5 mins | 2026-06-23 07:38:27.730Z | 263.358° W | 2026-06-23 07:40:27.730Z | 331.373° NNW | 36.513° | 2026-06-23 07:43:27.730Z | 37.654° 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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