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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-34135
1 63964U 25099N 26171.45331639 .00019170 00000-0 70434-3 0 9993
2 63964 42.9993 315.7795 0001343 245.6611 114.4101 15.27579252 63050Epoch: 2026-06-20T10:52Z
TLE epoch observation values (Epoch: 2026-06-20T10:52:46.536Z)
Latitude
0.00003°
Longitude
-116.08208°
Altitude
483.208 km
Speed
7.625 km/s
True Right ascension
21h 03m 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
10:20:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.918 km
Perigee altitude
484.075 km
Semi-major axis
6,863.134 km
Eccentricity
0.00013
Inclination
42.9993°
RAAN
315.7795°
Arg. of periapsis
245.6611°
True anomaly
114.42411°
Mean anomaly
114.4101°
Eccentric anomaly
114.41711°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.00070434
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-21 12:11:01.172Z | 186.07° SSW | 2026-06-21 12:13:01.172Z | 144.687° SSE | 20.664° | 2026-06-21 12:15:01.172Z | 103.96° ESE |
| 6 mins | 2026-06-21 13:49:01.172Z | 250.167° W | 2026-06-21 13:52:01.172Z | 74.658° E | 43.259° | 2026-06-21 13:55:01.172Z | 72.083° E |
| 5 mins | 2026-06-21 15:29:01.172Z | 294.899° NW | 2026-06-21 15:31:01.172Z | 15.907° NNE | 37.523° | 2026-06-21 15:34:01.172Z | 74.786° E |
| 5 mins | 2026-06-21 17:08:01.172Z | 291.599° WNW | 2026-06-21 17:10:01.172Z | 46.247° ENE | 44.535° | 2026-06-21 17:13:01.172Z | 104.017° ESE |
| 4 mins | 2026-06-21 18:47:01.172Z | 252.429° W | 2026-06-21 18:49:01.172Z | 201.456° SSW | 23.909° | 2026-06-21 18:51:01.172Z | 161.821° S |
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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