STARLINK-34138, 63971
Orbit data source: Space-Track
STARLINK-34138, 63971 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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63971 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-34138
1 63971U 25099V 25346.31389041 .00031712 00000-0 11574-2 0 9994
2 63971 43.0013 306.1760 0001811 269.2906 90.7738 15.27568471 34015Epoch: 2025-12-12T07:32Z
TLE epoch observation values (Epoch: 2025-12-12T07:32:00.131Z)
Latitude
-0.00003°
Longitude
111.91813°
Altitude
482.876 km
Speed
7.626 km/s
True Right ascension
20h 24m 42s
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
07:26:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.271 km
Perigee altitude
483.786 km
Semi-major axis
6,863.166 km
Eccentricity
0.00018
Inclination
43.0013°
RAAN
306.176°
Arg. of periapsis
269.2906°
True anomaly
90.79455°
Mean anomaly
90.7738°
Eccentric anomaly
90.78418°
Mean motion
3.8173 °/min
Orbital period
94.31 mins
BSTAR
0.0011574
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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-34138 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 00:32:48.756Z | 223.68° SW | 2025-12-14 00:35:48.756Z | 154.195° SSE | 35.698° | 2025-12-14 00:38:48.756Z | 82.186° E |
| 5 mins | 2025-12-14 02:12:48.756Z | 276.468° WNW | 2025-12-14 02:14:48.756Z | 355.42° N | 41.196° | 2025-12-14 02:17:48.756Z | 69.141° E |
| 5 mins | 2025-12-14 03:51:48.756Z | 295.772° NW | 2025-12-14 03:53:48.756Z | 355.72° N | 39.625° | 2025-12-14 03:56:48.756Z | 84.071° E |
| 5 mins | 2025-12-14 05:30:48.756Z | 276.476° WNW | 2025-12-14 05:32:48.756Z | 216.089° SW | 39.894° | 2025-12-14 05:35:48.756Z | 128.876° 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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