STARLINK-34137, 63953
Orbit data source: Space-Track
STARLINK-34137, 63953 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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63953 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-34137
1 63953U 25099B 26093.84989296 .00061321 00000-0 22227-2 0 9996
2 63953 43.0014 34.1835 0001557 291.0375 69.0310 15.27530602 51184Epoch: 2026-04-03T20:23Z
TLE epoch observation values (Epoch: 2026-04-03T20:23:50.751Z)
Latitude
-0.00003°
Longitude
-103.95611°
Altitude
482.59 km
Speed
7.626 km/s
True Right ascension
02h 16m 44s
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
17:32:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.211 km
Perigee altitude
484.073 km
Semi-major axis
6,863.279 km
Eccentricity
0.00016
Inclination
43.0014°
RAAN
34.1835°
Arg. of periapsis
291.0375°
True anomaly
69.04766°
Mean anomaly
69.031°
Eccentric anomaly
69.03933°
Mean motion
3.81721 °/min
Orbital period
94.31 mins
BSTAR
0.0022227
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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-34137 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 23:17:01.785Z | 225.506° WSW | 2026-04-04 23:20:01.785Z | 170.153° S | 35.205° | 2026-04-04 23:23:01.785Z | 83.936° E |
| 5 mins | 2026-04-05 00:57:01.785Z | 274.44° WNW | 2026-04-05 00:59:01.785Z | 328.548° NNW | 40.671° | 2026-04-05 01:02:01.785Z | 67.917° E |
| 6 mins | 2026-04-05 02:36:01.785Z | 293.605° NW | 2026-04-05 02:38:01.785Z | 335.742° NNW | 38.242° | 2026-04-05 02:42:01.785Z | 87.127° E |
| 6 mins | 2026-04-05 04:15:01.785Z | 278.35° WNW | 2026-04-05 04:17:01.785Z | 236.165° WSW | 38.391° | 2026-04-05 04:21:01.785Z | 126.548° 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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