STARLINK-3502, 51746
Orbit data source: Space-Track
STARLINK-3502, 51746 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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51746 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-3502
1 51746U 22016AJ 26171.38867720 -.00000428 00000-0 -88268-5 0 9995
2 51746 53.1577 207.9809 0001046 81.2016 278.9094 15.08828267239209Epoch: 2026-06-20T09:19Z
TLE epoch observation values (Epoch: 2026-06-20T09:19:41.710Z)
Latitude
0.00001°
Longitude
159.45311°
Altitude
540.558 km
Speed
7.593 km/s
True Right ascension
13h 51m 55s
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
21:31:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.757 km
Perigee altitude
539.31 km
Semi-major axis
6,918.171 km
Eccentricity
0.0001
Inclination
53.1577°
RAAN
207.9809°
Arg. of periapsis
81.2016°
True anomaly
278.89756°
Mean anomaly
278.9094°
Eccentric anomaly
278.90348°
Mean motion
3.77187 °/min
Orbital period
95.44 mins
BSTAR
-0.0000088268
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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-3502 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 11:05:08.863Z | 317.561° NNW | 2026-06-22 11:09:08.863Z | 40.541° NE | 38.723° | 2026-06-22 11:12:08.863Z | 110.112° ESE |
| 5 mins | 2026-06-22 12:46:08.863Z | 268.696° W | 2026-06-22 12:48:08.863Z | 231.34° WSW | 19.634° | 2026-06-22 12:51:08.863Z | 182.764° SSW |
| 6 mins | 2026-06-23 04:17:08.863Z | 217.456° SW | 2026-06-23 04:19:08.863Z | 180.166° SSW | 42.316° | 2026-06-23 04:23:08.863Z | 54.359° ENE |
| 5 mins | 2026-06-23 05:57:08.863Z | 294.996° NW | 2026-06-23 05:59:08.863Z | 334.387° NNW | 21.619° | 2026-06-23 06:02:08.863Z | 26.943° NE |
| 4 mins | 2026-06-23 09:19:08.863Z | 354.819° N | 2026-06-23 09:20:08.863Z | 13.029° NNE | 17.169° | 2026-06-23 09:23:08.863Z | 62.063° ENE |
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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