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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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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-34138
1 63971U 25099V 26171.45765639 .00023302 00000-0 85317-3 0 9990
2 63971 42.9976 312.3379 0001893 271.0436 89.0198 15.27597015 63092Epoch: 2026-06-20T10:59Z
TLE epoch observation values (Epoch: 2026-06-20T10:59:01.512Z)
Latitude
-0.00005°
Longitude
-121.09045°
Altitude
482.751 km
Speed
7.626 km/s
True Right ascension
20h 49m 21s
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
10:20:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.243 km
Perigee altitude
483.645 km
Semi-major axis
6,863.081 km
Eccentricity
0.00019
Inclination
42.9976°
RAAN
312.3379°
Arg. of periapsis
271.0436°
True anomaly
89.04149°
Mean anomaly
89.0198°
Eccentric anomaly
89.03064°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.00085317
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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 | 2026-06-21 12:17:09.204Z | 208.065° SW | 2026-06-21 12:20:09.204Z | 146.674° SSE | 26.757° | 2026-06-21 12:23:09.204Z | 88.039° E |
| 6 mins | 2026-06-21 13:56:09.204Z | 260.218° W | 2026-06-21 13:59:09.204Z | 30.604° NE | 43.139° | 2026-06-21 14:02:09.204Z | 70.364° E |
| 5 mins | 2026-06-21 15:36:09.204Z | 296.436° NW | 2026-06-21 15:38:09.204Z | 10.186° NNE | 38.132° | 2026-06-21 15:41:09.204Z | 78.082° E |
| 5 mins | 2026-06-21 17:15:09.204Z | 285.336° WNW | 2026-06-21 17:17:09.204Z | 196.792° SSW | 44.702° | 2026-06-21 17:20:09.204Z | 113.72° SE |
| 4 mins | 2026-06-21 18:54:09.204Z | 247.6° W | 2026-06-21 18:56:09.204Z | 206.117° SW | 18.235° | 2026-06-21 18:58:09.204Z | 171.803° 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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