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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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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-34135
1 63964U 25099N 26098.08973368 .00029202 00000-0 10659-2 0 9990
2 63964 42.9997 10.1006 0001738 270.1710 89.8942 15.27598038 51830Epoch: 2026-04-08T02:09Z
TLE epoch observation values (Epoch: 2026-04-08T02:09:12.989Z)
Latitude
-0.00007°
Longitude
141.4393°
Altitude
482.768 km
Speed
7.626 km/s
True Right ascension
00h 40m 24s
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
16:07:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.133 km
Perigee altitude
483.748 km
Semi-major axis
6,863.077 km
Eccentricity
0.00017
Inclination
42.9997°
RAAN
10.1006°
Arg. of periapsis
270.171°
True anomaly
89.91412°
Mean anomaly
89.8942°
Eccentric anomaly
89.90416°
Mean motion
3.81738 °/min
Orbital period
94.31 mins
BSTAR
0.0010659
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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 | 2026-04-08 21:10:42.228Z | 213.87° SW | 2026-04-08 21:13:42.228Z | 158.858° S | 28.584° | 2026-04-08 21:16:42.228Z | 89.137° E |
| 5 mins | 2026-04-08 22:50:42.228Z | 265.68° W | 2026-04-08 22:52:42.228Z | 337.304° NNW | 43.429° | 2026-04-08 22:55:42.228Z | 69.232° E |
| 5 mins | 2026-04-09 00:29:42.228Z | 293.589° NW | 2026-04-09 00:31:42.228Z | 347.058° N | 37.986° | 2026-04-09 00:34:42.228Z | 77.634° E |
| 6 mins | 2026-04-09 02:08:42.228Z | 284.205° WNW | 2026-04-09 02:10:42.228Z | 251.112° W | 42.96° | 2026-04-09 02:14:42.228Z | 116.155° 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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