STARLINK-3501, 51748
Orbit data source: Space-Track
STARLINK-3501, 51748 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 21 Feb 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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51748 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-3501
1 51748U 22016AL 26171.38033183 .00002156 00000-0 15343-3 0 9995
2 51748 53.1570 208.0073 0000825 61.2896 298.8178 15.08855582239201Epoch: 2026-06-20T09:07Z
TLE epoch observation values (Epoch: 2026-06-20T09:07:40.670Z)
Latitude
-0.00002°
Longitude
162.49204°
Altitude
540.312 km
Speed
7.594 km/s
True Right ascension
13h 52m 01s
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
21:31:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.521 km
Perigee altitude
539.38 km
Semi-major axis
6,918.087 km
Eccentricity
0.00008
Inclination
53.157°
RAAN
208.0073°
Arg. of periapsis
61.2896°
True anomaly
298.80952°
Mean anomaly
298.8178°
Eccentric anomaly
298.81366°
Mean motion
3.77193 °/min
Orbital period
95.44 mins
BSTAR
0.00015343
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Other satellites on launch #16 in the year 2022 (2022-02-21 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-3501 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 10:53:03.916Z | 322.942° NNW | 2026-06-22 10:56:03.916Z | 16.285° NNE | 33.657° | 2026-06-22 11:00:03.916Z | 105.01° ESE |
| 4 mins | 2026-06-22 12:34:03.916Z | 266.163° W | 2026-06-22 12:36:03.916Z | 218.595° SW | 23.863° | 2026-06-22 12:38:03.916Z | 181.282° SSW |
| 6 mins | 2026-06-23 04:04:03.916Z | 208.7° SW | 2026-06-23 04:07:03.916Z | 127.44° SE | 39.134° | 2026-06-23 04:10:03.916Z | 60.996° ENE |
| 5 mins | 2026-06-23 05:44:03.916Z | 284.131° WNW | 2026-06-23 05:46:03.916Z | 321.95° NNW | 23.911° | 2026-06-23 05:49:03.916Z | 23.964° 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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