STARLINK-3664, 51984
Orbit data source: Space-Track
STARLINK-3664, 51984 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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51984 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-3664
1 51984U 22025AE 26171.38777115 .00000652 00000-0 59036-4 0 9994
2 51984 53.1608 298.0614 0001214 81.6130 278.4999 15.08839505236563Epoch: 2026-06-20T09:18Z
TLE epoch observation values (Epoch: 2026-06-20T09:18:23.427Z)
Latitude
-0.00002°
Longitude
-110.13934°
Altitude
540.512 km
Speed
7.593 km/s
True Right ascension
19h 52m 14s
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
00:56:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.839 km
Perigee altitude
539.159 km
Semi-major axis
6,918.136 km
Eccentricity
0.00012
Inclination
53.1608°
RAAN
298.0614°
Arg. of periapsis
81.613°
True anomaly
278.48614°
Mean anomaly
278.4999°
Eccentric anomaly
278.49302°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000059036
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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-3664 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 | 2026-06-22 15:48:55.918Z | 350.586° N | 2026-06-22 15:50:55.918Z | 29.931° NE | 18.966° | 2026-06-22 15:52:55.918Z | 63.671° ENE |
| 6 mins | 2026-06-22 17:27:55.918Z | 311.241° NW | 2026-06-22 17:29:55.918Z | 318.201° NNW | 43.361° | 2026-06-22 17:33:55.918Z | 129.88° SE |
| 6 mins | 2026-06-23 10:37:55.918Z | 240.877° WSW | 2026-06-23 10:40:55.918Z | 342.301° N | 42.75° | 2026-06-23 10:43:55.918Z | 44.12° NE |
| 4 mins | 2026-06-23 12:18:55.918Z | 309.588° NW | 2026-06-23 12:20:55.918Z | 345.584° N | 17.299° | 2026-06-23 12:22:55.918Z | 18.846° NNE |
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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