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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-34144
1 63958U 25099G 26094.24993104 .00043489 00000-0 15816-2 0 9990
2 63958 43.0023 32.0252 0001176 281.4102 78.6617 15.27558978 51246Epoch: 2026-04-04T05:59Z
TLE epoch observation values (Epoch: 2026-04-04T05:59:54.041Z)
Latitude
-0.00007°
Longitude
109.47754°
Altitude
482.729 km
Speed
7.626 km/s
True Right ascension
02h 08m 06s
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
19:13:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.864 km
Perigee altitude
484.25 km
Semi-major axis
6,863.194 km
Eccentricity
0.00012
Inclination
43.0023°
RAAN
32.0252°
Arg. of periapsis
281.4102°
True anomaly
78.67491°
Mean anomaly
78.6617°
Eccentric anomaly
78.66831°
Mean motion
3.81728 °/min
Orbital period
94.31 mins
BSTAR
0.0015816
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-04-04 23:30:05.107Z | 222.567° SW | 2026-04-04 23:32:05.107Z | 147.991° SSE | 39.149° | 2026-04-04 23:35:05.107Z | 78.932° E |
| 5 mins | 2026-04-05 01:09:05.107Z | 281.728° WNW | 2026-04-05 01:11:05.107Z | 1.051° NNE | 39.971° | 2026-04-05 01:14:05.107Z | 69.763° E |
| 5 mins | 2026-04-05 02:48:05.107Z | 296.07° NW | 2026-04-05 02:50:05.107Z | 0.492° NNE | 40.809° | 2026-04-05 02:53:05.107Z | 88.158° E |
| 5 mins | 2026-04-05 04:27:05.107Z | 271.263° WNW | 2026-04-05 04:29:05.107Z | 208.826° SW | 36.672° | 2026-04-05 04:32:05.107Z | 134.935° 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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