STARLINK-33951, 63803
Orbit data source: Space-Track
STARLINK-33951, 63803 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 02 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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63803 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-33951
1 63803U 25091AD 26171.40330551 .00005286 00000-0 20146-3 0 9992
2 63803 42.9998 192.2125 0001492 275.5607 84.5075 15.27581893 64663Epoch: 2026-06-20T09:40Z
TLE epoch observation values (Epoch: 2026-06-20T09:40:45.596Z)
Latitude
0.00004°
Longitude
138.40413°
Altitude
482.721 km
Speed
7.626 km/s
True Right ascension
12h 48m 51s
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
07:15:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.013 km
Perigee altitude
483.965 km
Semi-major axis
6,863.126 km
Eccentricity
0.00015
Inclination
42.9998°
RAAN
192.2125°
Arg. of periapsis
275.5607°
True anomaly
84.52452°
Mean anomaly
84.5075°
Eccentric anomaly
84.51601°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.00020146
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Other satellites on launch #91 in the year 2025 (2025-05-02 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-33951 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 04:43:25.092Z | 216.333° SW | 2026-06-21 04:46:25.092Z | 136.455° SSE | 32.351° | 2026-06-21 04:49:25.092Z | 82.041° E |
| 6 mins | 2026-06-21 06:22:25.092Z | 269.037° W | 2026-06-21 06:25:25.092Z | 29.781° NE | 40.203° | 2026-06-21 06:28:25.092Z | 70.304° E |
| 5 mins | 2026-06-21 08:02:25.092Z | 299.577° NW | 2026-06-21 08:04:25.092Z | 23.692° NE | 38.691° | 2026-06-21 08:07:25.092Z | 83.414° E |
| 5 mins | 2026-06-21 09:41:25.092Z | 276.934° WNW | 2026-06-21 09:43:25.092Z | 181.209° SSW | 41.641° | 2026-06-21 09:46:25.092Z | 123.008° 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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