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: 1 day ago
TLE from 1 day ago
0 STARLINK-34138
1 63971U 25099V 26093.51700919 .00043106 00000-0 15667-2 0 9994
2 63971 42.9995 32.5104 0000212 249.3559 110.7270 15.27583887 51179Epoch: 2026-04-03T12:24Z
TLE epoch observation values (Epoch: 2026-04-03T12:24:29.594Z)
Latitude
0.00001°
Longitude
14.5371°
Altitude
482.864 km
Speed
7.626 km/s
True Right ascension
02h 10m 02s
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
18:00:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.128 km
Perigee altitude
484.837 km
Semi-major axis
6,863.12 km
Eccentricity
0.00002
Inclination
42.9995°
RAAN
32.5104°
Arg. of periapsis
249.3559°
True anomaly
110.72927°
Mean anomaly
110.727°
Eccentric anomaly
110.72814°
Mean motion
3.81734 °/min
Orbital period
94.31 mins
BSTAR
0.0015667
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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 | 2026-04-04 23:09:22.705Z | 224.418° SW | 2026-04-04 23:12:22.705Z | 128.722° SE | 36.315° | 2026-04-04 23:15:22.705Z | 78.723° E |
| 6 mins | 2026-04-05 00:48:22.705Z | 274.734° WNW | 2026-04-05 00:51:22.705Z | 26.877° NE | 38.694° | 2026-04-05 00:54:22.705Z | 70.815° E |
| 5 mins | 2026-04-05 02:28:22.705Z | 299.757° NW | 2026-04-05 02:30:22.705Z | 30.266° NE | 39.74° | 2026-04-05 02:33:22.705Z | 87.796° E |
| 5 mins | 2026-04-05 04:07:22.705Z | 269.363° W | 2026-04-05 04:09:22.705Z | 185.307° SSW | 37.61° | 2026-04-05 04:12:22.705Z | 130.232° 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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