STARLINK-33743, 63440
Orbit data source: Space-Track
STARLINK-33743, 63440 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 04 Apr 2025 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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63440 intel report (Beta)
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Edit Public Description
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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-33743
1 63440U 25069H 25348.91558331 .00019822 00000-0 67966-3 0 9995
2 63440 53.1597 176.3739 0001447 72.3167 287.7991 15.30197408 40316Epoch: 2025-12-14T21:58Z
TLE epoch observation values (Epoch: 2025-12-14T21:58:26.397Z)
Latitude
-0.0001°
Longitude
122.94219°
Altitude
475.819 km
Speed
7.629 km/s
True Right ascension
11h 45m 29s
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
15:11:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.471 km
Perigee altitude
474.488 km
Semi-major axis
6,853.616 km
Eccentricity
0.00014
Inclination
53.1597°
RAAN
176.3739°
Arg. of periapsis
72.3167°
True anomaly
287.78331°
Mean anomaly
287.7991°
Eccentric anomaly
287.79121°
Mean motion
3.82528 °/min
Orbital period
94.11 mins
BSTAR
0.00067966
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Other satellites on launch #69 in the year 2025 (2025-04-04 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-33743 Visibility forecast
Loading observer location...
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 | 2025-12-15 17:02:42.710Z | 293.547° NW | 2025-12-15 17:04:42.710Z | 328.3° NNW | 17.576° | 2025-12-15 17:07:42.710Z | 23.379° NE |
| 5 mins | 2025-12-15 21:59:42.710Z | 317.836° NNW | 2025-12-15 22:01:42.710Z | 16.864° NNE | 43.195° | 2025-12-15 22:04:42.710Z | 121.853° SE |
| 6 mins | 2025-12-16 14:54:42.710Z | 220.353° SW | 2025-12-16 14:57:42.710Z | 84.179° E | 41.673° | 2025-12-16 15:00:42.710Z | 53.713° ENE |
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
Authenticating...
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