STARLINK-34099, 63959
Orbit data source: Space-Track
STARLINK-34099, 63959 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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63959 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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-34099
1 63959U 25099H 26171.41748838 .00028026 00000-0 10235-2 0 9998
2 63959 43.0006 316.3806 0001443 267.7010 92.3676 15.27597524 63042Epoch: 2026-06-20T10:01Z
TLE epoch observation values (Epoch: 2026-06-20T10:01:10.996Z)
Latitude
-0.00003°
Longitude
-102.54766°
Altitude
482.813 km
Speed
7.626 km/s
True Right ascension
21h 05m 31s
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
10:20:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.932 km
Perigee altitude
483.951 km
Semi-major axis
6,863.079 km
Eccentricity
0.00014
Inclination
43.0006°
RAAN
316.3806°
Arg. of periapsis
267.701°
True anomaly
92.38412°
Mean anomaly
92.3676°
Eccentric anomaly
92.37586°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.0010235
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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-34099 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 12:54:01.855Z | 222.696° SW | 2026-06-21 12:57:01.855Z | 169.195° S | 33.266° | 2026-06-21 13:00:01.855Z | 85.845° E |
| 5 mins | 2026-06-21 14:34:01.855Z | 271.972° WNW | 2026-06-21 14:36:01.855Z | 324.483° NNW | 41.213° | 2026-06-21 14:39:01.855Z | 67.924° E |
| 6 mins | 2026-06-21 16:13:01.855Z | 293.275° NW | 2026-06-21 16:15:01.855Z | 335.419° NNW | 37.76° | 2026-06-21 16:19:01.855Z | 85.46° E |
| 6 mins | 2026-06-21 17:52:01.855Z | 280.27° WNW | 2026-06-21 17:54:01.855Z | 242.538° WSW | 39.402° | 2026-06-21 17:58:01.855Z | 123.819° 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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