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 26098.10772259 .00027579 00000-0 10075-2 0 9999
2 63958 43.0008 10.2405 0001714 276.6424 83.4233 15.27594396 51835Epoch: 2026-04-08T02:35Z
TLE epoch observation values (Epoch: 2026-04-08T02:35:07.231Z)
Latitude
-0°
Longitude
135.08554°
Altitude
482.647 km
Speed
7.626 km/s
True Right ascension
00h 40m 57s
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
15:55:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.127 km
Perigee altitude
483.775 km
Semi-major axis
6,863.088 km
Eccentricity
0.00017
Inclination
43.0008°
RAAN
10.2405°
Arg. of periapsis
276.6424°
True anomaly
83.44281°
Mean anomaly
83.4233°
Eccentric anomaly
83.43306°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.0010075
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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 | 2026-04-08 21:38:08.886Z | 225.722° WSW | 2026-04-08 21:41:08.886Z | 146.984° SSE | 37.177° | 2026-04-08 21:44:08.886Z | 80.328° E |
| 5 mins | 2026-04-08 23:18:08.886Z | 279.552° WNW | 2026-04-08 23:20:08.886Z | 4.838° NNE | 40.484° | 2026-04-08 23:23:08.886Z | 69.665° E |
| 5 mins | 2026-04-09 00:57:08.886Z | 296.632° NW | 2026-04-09 00:59:08.886Z | 4.146° NNE | 40.241° | 2026-04-09 01:02:08.886Z | 86.14° E |
| 5 mins | 2026-04-09 02:36:08.886Z | 273.58° WNW | 2026-04-09 02:38:08.886Z | 206.963° SW | 38.684° | 2026-04-09 02:41:08.886Z | 131.12° 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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