STARLINK-3969, 52551
Orbit data source: Space-Track
STARLINK-3969, 52551 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 13 May 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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52551 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-3969
1 52551U 22051U 26171.01419472 .00000074 00000-0 22743-4 0 9996
2 52551 53.1613 29.6559 0001387 91.3567 268.7583 15.08835779226894Epoch: 2026-06-20T00:20Z
TLE epoch observation values (Epoch: 2026-06-20T00:20:26.423Z)
Latitude
-0.00007°
Longitude
116.31085°
Altitude
540.669 km
Speed
7.593 km/s
True Right ascension
01h 58m 37s
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
21:34:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.97 km
Perigee altitude
539.051 km
Semi-major axis
6,918.147 km
Eccentricity
0.00014
Inclination
53.1613°
RAAN
29.6559°
Arg. of periapsis
91.3567°
True anomaly
268.74241°
Mean anomaly
268.7583°
Eccentric anomaly
268.75035°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000022743
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Other satellites on launch #51 in the year 2022 (2022-05-13 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-3969 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 16:05:39.117Z | 202.427° SSW | 2026-06-22 16:08:39.117Z | 135.216° SSE | 35.248° | 2026-06-22 16:11:39.117Z | 65.877° ENE |
| 6 mins | 2026-06-22 17:45:39.117Z | 278.731° WNW | 2026-06-22 17:47:39.117Z | 317.491° NNW | 25.974° | 2026-06-22 17:51:39.117Z | 33.65° NE |
| 6 mins | 2026-06-22 22:46:39.117Z | 325.943° NNW | 2026-06-22 22:49:39.117Z | 44.763° NE | 35.4° | 2026-06-22 22:52:39.117Z | 105.081° ESE |
| 5 mins | 2026-06-23 00:26:39.117Z | 270.602° WNW | 2026-06-23 00:28:39.117Z | 228.684° WSW | 22.809° | 2026-06-23 00:31:39.117Z | 177.067° S |
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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