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: 1 day ago
TLE from 1 day ago
0 STARLINK-34135
1 63964U 25099N 26093.25111720 .00044139 00000-0 16011-2 0 9994
2 63964 43.0024 37.4222 0001578 265.2350 94.8321 15.27637156 51092Epoch: 2026-04-03T06:01Z
TLE epoch observation values (Epoch: 2026-04-03T06:01:36.526Z)
Latitude
-0.00004°
Longitude
115.43204°
Altitude
482.745 km
Speed
7.626 km/s
True Right ascension
02h 29m 41s
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
18:20:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.906 km
Perigee altitude
483.74 km
Semi-major axis
6,862.96 km
Eccentricity
0.00016
Inclination
43.0024°
RAAN
37.4222°
Arg. of periapsis
265.235°
True anomaly
94.85012°
Mean anomaly
94.8321°
Eccentric anomaly
94.84111°
Mean motion
3.81747 °/min
Orbital period
94.3 mins
BSTAR
0.0016011
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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 | 2026-04-04 23:01:55.020Z | 213.382° SW | 2026-04-04 23:04:55.020Z | 139.373° SSE | 30.614° | 2026-04-04 23:07:55.020Z | 83.629° E |
| 6 mins | 2026-04-05 00:40:55.020Z | 266.488° W | 2026-04-05 00:43:55.020Z | 31.855° NE | 40.856° | 2026-04-05 00:46:55.020Z | 70.256° E |
| 5 mins | 2026-04-05 02:20:55.020Z | 299.413° NW | 2026-04-05 02:22:55.020Z | 22.519° NE | 38.269° | 2026-04-05 02:25:55.020Z | 81.844° E |
| 5 mins | 2026-04-05 03:59:55.020Z | 279.57° WNW | 2026-04-05 04:01:55.020Z | 174.702° S | 42.751° | 2026-04-05 04:04:55.020Z | 119.932° 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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