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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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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-34144
1 63958U 25099G 25346.91602669 .00051622 00000-0 18714-2 0 9994
2 63958 42.9999 306.4276 0001190 279.8366 80.2351 15.27595714 34063Epoch: 2025-12-12T21:59Z
TLE epoch observation values (Epoch: 2025-12-12T21:59:04.706Z)
Latitude
-0.00001°
Longitude
-105.19281°
Altitude
482.639 km
Speed
7.626 km/s
True Right ascension
20h 25m 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
11:35:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.764 km
Perigee altitude
484.131 km
Semi-major axis
6,863.084 km
Eccentricity
0.00012
Inclination
42.9999°
RAAN
306.4276°
Arg. of periapsis
279.8366°
True anomaly
80.24854°
Mean anomaly
80.2351°
Eccentric anomaly
80.24182°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.0018714
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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 | 2025-12-14 00:54:07.766Z | 214.338° SW | 2025-12-14 00:56:07.766Z | 131.175° SE | 36.406° | 2025-12-14 00:59:07.766Z | 78.999° E |
| 6 mins | 2025-12-14 02:32:07.766Z | 274.319° WNW | 2025-12-14 02:35:07.766Z | 24.582° NE | 39.045° | 2025-12-14 02:38:07.766Z | 70.653° E |
| 5 mins | 2025-12-14 04:12:07.766Z | 299.327° NW | 2025-12-14 04:14:07.766Z | 26.998° NE | 39.872° | 2025-12-14 04:17:07.766Z | 87.47° E |
| 5 mins | 2025-12-14 05:51:07.766Z | 270.173° WNW | 2025-12-14 05:53:07.766Z | 187.676° SSW | 37.967° | 2025-12-14 05:56:07.766Z | 130.133° 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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