STARLINK-33729, 63647
Orbit data source: Space-Track
STARLINK-33729, 63647 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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63647 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-33729
1 63647U 25083P 26171.28492685 .00014643 00000-0 54054-3 0 9994
2 63647 43.0004 146.1358 0001181 257.2297 102.8422 15.27581682 65759Epoch: 2026-06-20T06:50Z
TLE epoch observation values (Epoch: 2026-06-20T06:50:17.679Z)
Latitude
-0.00008°
Longitude
135.0603°
Altitude
483 km
Speed
7.626 km/s
True Right ascension
09h 44m 32s
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
08:33:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.8 km
Perigee altitude
484.179 km
Semi-major axis
6,863.126 km
Eccentricity
0.00012
Inclination
43.0004°
RAAN
146.1358°
Arg. of periapsis
257.2297°
True anomaly
102.85539°
Mean anomaly
102.8422°
Eccentric anomaly
102.8488°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.00054054
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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-33729 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-21 01:53:50.727Z | 222.449° SW | 2026-06-21 01:55:50.727Z | 176.803° S | 36.209° | 2026-06-21 01:59:50.727Z | 78.17° E |
| 6 mins | 2026-06-21 03:32:50.727Z | 275.53° WNW | 2026-06-21 03:34:50.727Z | 322.958° NNW | 39.723° | 2026-06-21 03:38:50.727Z | 71.324° E |
| 6 mins | 2026-06-21 05:11:50.727Z | 293.051° NW | 2026-06-21 05:14:50.727Z | 41.529° NE | 38.661° | 2026-06-21 05:17:50.727Z | 88.127° E |
| 6 mins | 2026-06-21 06:50:50.727Z | 277.569° WNW | 2026-06-21 06:53:50.727Z | 175.403° S | 36.95° | 2026-06-21 06:56:50.727Z | 129.141° SE |
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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