STARLINK-3699, 51966
Orbit data source: Space-Track
STARLINK-3699, 51966 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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51966 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-3699
1 51966U 22025L 26171.33188840 .00000195 00000-0 18035-4 0 9996
2 51966 53.1613 279.4687 0001295 72.1537 287.9605 15.31701551236550Epoch: 2026-06-20T07:57Z
TLE epoch observation values (Epoch: 2026-06-20T07:57:55.157Z)
Latitude
-0.00009°
Longitude
-108.55922°
Altitude
471.362 km
Speed
7.632 km/s
True Right ascension
18h 37m 52s
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
21:40:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.879 km
Perigee altitude
470.105 km
Semi-major axis
6,849.129 km
Eccentricity
0.00013
Inclination
53.1613°
RAAN
279.4687°
Arg. of periapsis
72.1537°
True anomaly
287.94638°
Mean anomaly
287.9605°
Eccentric anomaly
287.95344°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.000018035
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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-3699 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 15:15:45.980Z | 351.744° N | 2026-06-22 15:16:45.980Z | 18.397° NNE | 25.627° | 2026-06-22 15:19:45.980Z | 87.288° E |
| 5 mins | 2026-06-22 16:52:45.980Z | 285.057° WNW | 2026-06-22 16:54:45.980Z | 235.052° WSW | 30.619° | 2026-06-22 16:57:45.980Z | 162.682° S |
| 4 mins | 2026-06-23 08:10:45.980Z | 158.092° S | 2026-06-23 08:11:45.980Z | 133.25° SE | 21.87° | 2026-06-23 08:14:45.980Z | 76.19° E |
| 5 mins | 2026-06-23 09:47:45.980Z | 270.527° WNW | 2026-06-23 09:49:45.980Z | 337.816° N | 32.523° | 2026-06-23 09:52:45.980Z | 36.822° 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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