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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Edit Public Description
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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-3699
1 51966U 22025L 25346.91985175 -.00000081 00000-0 13470-4 0 9992
2 51966 53.0551 60.3524 0001251 94.6132 265.5000 15.06393341207846Epoch: 2025-12-12T22:04Z
TLE epoch observation values (Epoch: 2025-12-12T22:04:35.191Z)
Latitude
0°
Longitude
7.35121°
Altitude
548.179 km
Speed
7.589 km/s
True Right ascension
04h 01m 24s
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
09:13:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.369 km
Perigee altitude
546.636 km
Semi-major axis
6,925.64 km
Eccentricity
0.00013
Inclination
53.0551°
RAAN
60.3524°
Arg. of periapsis
94.6132°
True anomaly
265.48571°
Mean anomaly
265.5°
Eccentric anomaly
265.49285°
Mean motion
3.76577 °/min
Orbital period
95.6 mins
BSTAR
0.00001347
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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 | 2025-12-13 12:51:58.296Z | 358.574° N | 2025-12-13 12:52:58.296Z | 17.819° NNE | 18.218° | 2025-12-13 12:55:58.296Z | 65.877° ENE |
| 6 mins | 2025-12-13 14:30:58.296Z | 317.267° NNW | 2025-12-13 14:32:58.296Z | 12.563° NNE | 43.67° | 2025-12-13 14:36:58.296Z | 124.065° SE |
| 6 mins | 2025-12-14 07:42:58.296Z | 235.109° WSW | 2025-12-14 07:44:58.296Z | 262.95° W | 43.795° | 2025-12-14 07:48:58.296Z | 48.273° ENE |
| 4 mins | 2025-12-14 09:23:58.296Z | 313.34° NW | 2025-12-14 09:24:58.296Z | 332.281° NNW | 18.723° | 2025-12-14 09:27:58.296Z | 23.86° 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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