STARLINK-34144, 63958
Orbit data source: Space-Track
STARLINK-34144, 63958 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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63958 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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-34144
1 63958U 25099G 26171.40592340 .00020335 00000-0 74643-3 0 9990
2 63958 43.0003 316.2881 0001497 264.1390 95.9291 15.27579708 63047Epoch: 2026-06-20T09:44Z
TLE epoch observation values (Epoch: 2026-06-20T09:44:31.781Z)
Latitude
-0.00003°
Longitude
-98.46536°
Altitude
482.932 km
Speed
7.626 km/s
True Right ascension
21h 05m 09s
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
10:20:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.023 km
Perigee altitude
483.968 km
Semi-major axis
6,863.132 km
Eccentricity
0.00015
Inclination
43.0003°
RAAN
316.2881°
Arg. of periapsis
264.139°
True anomaly
95.94616°
Mean anomaly
95.9291°
Eccentric anomaly
95.93763°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.00074643
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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-34144 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 12:37:05.767Z | 210.881° SW | 2026-06-21 12:40:05.767Z | 146.595° SSE | 28.522° | 2026-06-21 12:43:05.767Z | 86.625° E |
| 6 mins | 2026-06-21 14:16:05.767Z | 262.682° W | 2026-06-21 14:19:05.767Z | 23.771° NE | 42.726° | 2026-06-21 14:22:05.767Z | 70.067° E |
| 5 mins | 2026-06-21 15:56:05.767Z | 296.801° NW | 2026-06-21 15:58:05.767Z | 9.67° NNE | 38.357° | 2026-06-21 16:01:05.767Z | 79.238° E |
| 5 mins | 2026-06-21 17:35:05.767Z | 283.468° WNW | 2026-06-21 17:37:05.767Z | 200.278° SSW | 44.225° | 2026-06-21 17:40:05.767Z | 116.538° SE |
| 4 mins | 2026-06-21 19:14:05.767Z | 246.331° WSW | 2026-06-21 19:16:05.767Z | 206.881° SW | 16.808° | 2026-06-21 19:18:05.767Z | 174.045° 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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