STARLINK-33998, 63951
Orbit data source: Space-Track
STARLINK-33998, 63951 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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63951 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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-33998
1 63951U 25098AB 25348.83259272 .00003306 00000-0 28470-3 0 9994
2 63951 70.0013 128.3308 0003094 270.1172 89.9633 14.98332590 33848Epoch: 2025-12-14T19:58Z
TLE epoch observation values (Epoch: 2025-12-14T19:58:56.011Z)
Latitude
0.00005°
Longitude
104.85759°
Altitude
574.471 km
Speed
7.574 km/s
True Right ascension
08h 33m 19s
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
13:25:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.146 km
Perigee altitude
567.846 km
Semi-major axis
6,948.133 km
Eccentricity
0.00031
Inclination
70.0013°
RAAN
128.3308°
Arg. of periapsis
270.1172°
True anomaly
89.99875°
Mean anomaly
89.9633°
Eccentric anomaly
89.98103°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.0002847
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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-33998 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 | 2025-12-15 20:35:08.808Z | 332.218° NNW | 2025-12-15 20:37:08.808Z | 313.923° NW | 43.214° | 2025-12-15 20:41:08.808Z | 160.281° S |
| 6 mins | 2025-12-16 10:35:08.808Z | 190.712° SSW | 2025-12-16 10:37:08.808Z | 143.622° SSE | 42.746° | 2025-12-16 10:41:08.808Z | 29.626° NE |
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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