STARLINK-34135, 63964
Orbit data source: Space-Track
STARLINK-34135, 63964 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 13 May 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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63964 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: 1 day ago
TLE from 1 day ago
0 STARLINK-34135
1 63964U 25099N 25346.24417667 .00055712 00000-0 20192-2 0 9996
2 63964 43.0002 309.9801 0001932 267.5122 92.5509 15.27572551 33960Epoch: 2025-12-12T05:51Z
TLE epoch observation values (Epoch: 2025-12-12T05:51:36.864Z)
Latitude
0.00003°
Longitude
140.88795°
Altitude
482.906 km
Speed
7.626 km/s
True Right ascension
20h 39m 55s
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
07:28:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.342 km
Perigee altitude
483.691 km
Semi-major axis
6,863.154 km
Eccentricity
0.00019
Inclination
43.0002°
RAAN
309.9801°
Arg. of periapsis
267.5122°
True anomaly
92.57302°
Mean anomaly
92.5509°
Eccentric anomaly
92.56196°
Mean motion
3.81731 °/min
Orbital period
94.31 mins
BSTAR
0.0020192
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Other satellites on launch #99 in the year 2025 (2025-05-13 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-34135 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 | 2025-12-14 00:25:22.315Z | 213.915° SW | 2025-12-14 00:28:22.315Z | 157.935° S | 28.78° | 2025-12-14 00:31:22.315Z | 88.753° E |
| 5 mins | 2025-12-14 02:05:22.315Z | 266.107° W | 2025-12-14 02:07:22.315Z | 342.839° N | 43.408° | 2025-12-14 02:10:22.315Z | 69.295° E |
| 5 mins | 2025-12-14 03:44:22.315Z | 294.016° NW | 2025-12-14 03:46:22.315Z | 349.909° N | 38.147° | 2025-12-14 03:49:22.315Z | 78.003° E |
| 5 mins | 2025-12-14 05:23:22.315Z | 283.926° WNW | 2025-12-14 05:25:22.315Z | 245.225° WSW | 43.251° | 2025-12-14 05:28:22.315Z | 117.769° 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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