STARLINK-34039, 63946
Orbit data source: Space-Track
STARLINK-34039, 63946 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 Western Test Range (AFWTR). 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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63946 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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-34039
1 63946U 25098W 26097.02010075 -.00080309 00000-0 -68280-2 0 9999
2 63946 70.0043 203.1204 0010753 252.0021 107.9966 14.98124165 50794Epoch: 2026-04-07T00:28Z
TLE epoch observation values (Epoch: 2026-04-07T00:28:56.704Z)
Latitude
-0.00008°
Longitude
0.58129°
Altitude
577.433 km
Speed
7.571 km/s
True Right ascension
13h 32m 28s
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
16:14:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
578.112 km
Perigee altitude
563.168 km
Semi-major axis
6,948.777 km
Eccentricity
0.00108
Inclination
70.0043°
RAAN
203.1204°
Arg. of periapsis
252.0021°
True anomaly
108.11374°
Mean anomaly
107.9966°
Eccentric anomaly
108.05518°
Mean motion
3.74697 °/min
Orbital period
96.08 mins
BSTAR
-0.006828
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Other satellites on launch #98 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-34039 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 | 2026-04-07 17:03:03.776Z | 15.788° NNE | 2026-04-07 17:05:03.776Z | 48.364° ENE | 18.252° | 2026-04-07 17:08:03.776Z | 97.796° ESE |
| 6 mins | 2026-04-07 18:41:03.776Z | 311.489° NW | 2026-04-07 18:44:03.776Z | 243.554° WSW | 30.945° | 2026-04-07 18:47:03.776Z | 188.059° SSW |
| 7 mins | 2026-04-08 08:41:03.776Z | 224.466° SW | 2026-04-08 08:44:03.776Z | 302.747° NW | 38.799° | 2026-04-08 08:48:03.776Z | 15.162° NNE |
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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