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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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-34137
1 63953U 25099B 25346.25444585 .00035207 00000-0 12845-2 0 9997
2 63953 43.0020 310.0643 0001346 270.2598 89.8099 15.27537403 33962Epoch: 2025-12-12T06:06Z
TLE epoch observation values (Epoch: 2025-12-12T06:06:24.121Z)
Latitude
-0.00004°
Longitude
137.26504°
Altitude
482.949 km
Speed
7.626 km/s
True Right ascension
20h 40m 15s
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
09:17:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.045 km
Perigee altitude
484.198 km
Semi-major axis
6,863.258 km
Eccentricity
0.00013
Inclination
43.002°
RAAN
310.0643°
Arg. of periapsis
270.2598°
True anomaly
89.82532°
Mean anomaly
89.8099°
Eccentric anomaly
89.81761°
Mean motion
3.81722 °/min
Orbital period
94.31 mins
BSTAR
0.0012845
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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 | 2025-12-14 00:41:35.132Z | 217.457° SW | 2025-12-14 00:44:35.132Z | 132.56° SE | 32.963° | 2025-12-14 00:47:35.132Z | 81.014° E |
| 6 mins | 2025-12-14 02:20:35.132Z | 270.579° WNW | 2025-12-14 02:22:35.132Z | 307.692° NW | 39.796° | 2025-12-14 02:26:35.132Z | 70.52° E |
| 5 mins | 2025-12-14 04:00:35.132Z | 300.55° NW | 2025-12-14 04:02:35.132Z | 29.254° NE | 38.574° | 2025-12-14 04:05:35.132Z | 84.514° E |
| 5 mins | 2025-12-14 05:39:35.132Z | 274.799° WNW | 2025-12-14 05:41:35.132Z | 176.504° S | 40.595° | 2025-12-14 05:44:35.132Z | 124.263° 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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