STARLINK-33661, 63646
Orbit data source: Space-Track
STARLINK-33661, 63646 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 25 Apr 2025 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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63646 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 STARLINK-33661
1 63646U 25083N 26171.31689576 .00015059 00000-0 55541-3 0 9998
2 63646 43.0026 145.5110 0002402 278.2372 81.8208 15.27593141 65790Epoch: 2026-06-20T07:36Z
TLE epoch observation values (Epoch: 2026-06-20T07:36:19.793Z)
Latitude
0.00003°
Longitude
122.8953°
Altitude
482.551 km
Speed
7.626 km/s
True Right ascension
09h 42m 02s
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
07:12:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.603 km
Perigee altitude
483.306 km
Semi-major axis
6,863.091 km
Eccentricity
0.00024
Inclination
43.0026°
RAAN
145.511°
Arg. of periapsis
278.2372°
True anomaly
81.84805°
Mean anomaly
81.8208°
Eccentric anomaly
81.83442°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.00055541
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Other satellites on launch #83 in the year 2025 (2025-04-25 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-33661 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-21 01:03:37.945Z | 193.373° SSW | 2026-06-21 01:05:37.945Z | 154.937° SSE | 21.763° | 2026-06-21 01:08:37.945Z | 95.153° ESE |
| 5 mins | 2026-06-21 02:42:37.945Z | 253.149° W | 2026-06-21 02:44:37.945Z | 341.327° N | 44.966° | 2026-06-21 02:47:37.945Z | 71.413° E |
| 5 mins | 2026-06-21 04:21:37.945Z | 291.228° WNW | 2026-06-21 04:23:37.945Z | 350.09° N | 37.844° | 2026-06-21 04:26:37.945Z | 73.463° E |
| 6 mins | 2026-06-21 06:00:37.945Z | 289.696° WNW | 2026-06-21 06:02:37.945Z | 306.416° NW | 43.854° | 2026-06-21 06:06:37.945Z | 106.548° ESE |
| 5 mins | 2026-06-21 07:39:37.945Z | 257.19° W | 2026-06-21 07:41:37.945Z | 213.046° SW | 22.949° | 2026-06-21 07:44:37.945Z | 157.894° 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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