STARLINK-33639, 63481
Orbit data source: Space-Track
STARLINK-33639, 63481 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 06 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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63481 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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-33639
1 63481U 25070X 26169.37153633 .00015514 00000-0 57221-3 0 9997
2 63481 43.0037 47.7807 0001688 267.8239 92.2419 15.27572989 68415Epoch: 2026-06-18T08:55Z
TLE epoch observation values (Epoch: 2026-06-18T08:55:00.738Z)
Latitude
-0.00006°
Longitude
7.41174°
Altitude
482.891 km
Speed
7.626 km/s
True Right ascension
03h 11m 07s
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
14:05:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.173 km
Perigee altitude
483.856 km
Semi-major axis
6,863.152 km
Eccentricity
0.00017
Inclination
43.0037°
RAAN
47.7807°
Arg. of periapsis
267.8239°
True anomaly
92.26123°
Mean anomaly
92.2419°
Eccentric anomaly
92.25156°
Mean motion
3.81731 °/min
Orbital period
94.31 mins
BSTAR
0.00057221
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Other satellites on launch #70 in the year 2025 (2025-04-06 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-33639 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 | 2026-06-19 18:02:54.968Z | 185.436° SSW | 2026-06-19 18:04:54.968Z | 153.012° SSE | 16.442° | 2026-06-19 18:06:54.968Z | 114.051° SE |
| 5 mins | 2026-06-19 19:41:54.968Z | 240.178° WSW | 2026-06-19 19:43:54.968Z | 160.198° S | 44.063° | 2026-06-19 19:46:54.968Z | 74.472° E |
| 5 mins | 2026-06-19 21:20:54.968Z | 287.312° WNW | 2026-06-19 21:22:54.968Z | 350.066° N | 38.412° | 2026-06-19 21:25:54.968Z | 70.841° E |
| 6 mins | 2026-06-19 22:59:54.968Z | 293.042° NW | 2026-06-19 23:01:54.968Z | 337.156° NNW | 42.567° | 2026-06-19 23:05:54.968Z | 98.968° ESE |
| 5 mins | 2026-06-20 00:38:54.968Z | 263.926° W | 2026-06-20 00:40:54.968Z | 213.685° SW | 29.004° | 2026-06-20 00:43:54.968Z | 148.41° SSE |
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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