STARLINK-3984, 52621
Orbit data source: Space-Track
STARLINK-3984, 52621 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 14 May 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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52621 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-3984
1 52621U 22052Z 26171.27363390 .00000056 00000-0 21650-4 0 9996
2 52621 53.1595 168.4891 0001463 76.6052 283.5103 15.08834065226476Epoch: 2026-06-20T06:34Z
TLE epoch observation values (Epoch: 2026-06-20T06:34:01.968Z)
Latitude
-0°
Longitude
161.49028°
Altitude
540.417 km
Speed
7.593 km/s
True Right ascension
11h 13m 57s
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
21:34:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
541.028 km
Perigee altitude
539.004 km
Semi-major axis
6,918.153 km
Eccentricity
0.00015
Inclination
53.1595°
RAAN
168.4891°
Arg. of periapsis
76.6052°
True anomaly
283.494°
Mean anomaly
283.5103°
Eccentric anomaly
283.50215°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.00002165
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Other satellites on launch #52 in the year 2022 (2022-05-14 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-3984 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 | 2026-06-23 01:30:03.336Z | 214.342° SW | 2026-06-23 01:33:03.336Z | 169.992° S | 39.3° | 2026-06-23 01:37:03.336Z | 57.729° ENE |
| 5 mins | 2026-06-23 03:11:03.336Z | 290.974° WNW | 2026-06-23 03:13:03.336Z | 332.41° NNW | 23.342° | 2026-06-23 03:16:03.336Z | 27.381° NE |
| 6 mins | 2026-06-23 08:12:03.336Z | 324.142° NNW | 2026-06-23 08:14:03.336Z | 14.254° NNE | 39.626° | 2026-06-23 08:18:03.336Z | 115.644° SE |
| 4 mins | 2026-06-23 09:52:03.336Z | 257.518° W | 2026-06-23 09:53:03.336Z | 238.881° WSW | 17.964° | 2026-06-23 09:56:03.336Z | 188.727° SSW |
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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