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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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-33998
1 63951U 25098AB 26171.41668980 .00070130 00000-0 58326-2 0 9994
2 63951 70.0019 15.3636 0003099 263.9632 34.5391 14.98290236 5799Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-55.85956°
Longitude
-75.53797°
Altitude
591.465 km
Speed
7.564 km/s
True Right ascension
22h 52m 24s
True Declination
-55° 41' 45"
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
10:20:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.28 km
Perigee altitude
567.974 km
Semi-major axis
6,948.264 km
Eccentricity
0.00031
Inclination
70.0019°
RAAN
15.3636°
Arg. of periapsis
263.9632°
True anomaly
34.55924°
Mean anomaly
34.5391°
Eccentric anomaly
34.54917°
Mean motion
3.74739 °/min
Orbital period
96.07 mins
BSTAR
0.0058326
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-20 23:37:59.204Z | 15.632° NNE | 2026-06-20 23:39:59.204Z | 47.196° ENE | 17.344° | 2026-06-20 23:42:59.204Z | 95.886° ESE |
| 6 mins | 2026-06-21 01:15:59.204Z | 313.414° NW | 2026-06-21 01:18:59.204Z | 244.738° WSW | 32.278° | 2026-06-21 01:21:59.204Z | 186.421° SSW |
| 6 mins | 2026-06-21 15:15:59.204Z | 222.949° SW | 2026-06-21 15:18:59.204Z | 316.057° NNW | 39.523° | 2026-06-21 15:21:59.204Z | 13.444° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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