STARLINK-33983, 63948
Orbit data source: Space-Track
STARLINK-33983, 63948 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
63948 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-33983
1 63948U 25098Y 25349.84252168 .00005423 00000-0 46174-3 0 9992
2 63948 70.0007 125.8374 0002695 264.8691 95.2160 14.98344912 33996Epoch: 2025-12-15T20:13Z
TLE epoch observation values (Epoch: 2025-12-15T20:13:13.873Z)
Latitude
-0.00006°
Longitude
97.79429°
Altitude
574.605 km
Speed
7.574 km/s
True Right ascension
08h 23m 20s
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
03:08:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.83 km
Perigee altitude
568.085 km
Semi-major axis
6,948.095 km
Eccentricity
0.00027
Inclination
70.0007°
RAAN
125.8374°
Arg. of periapsis
264.8691°
True anomaly
95.24675°
Mean anomaly
95.216°
Eccentric anomaly
95.23138°
Mean motion
3.74753 °/min
Orbital period
96.06 mins
BSTAR
0.00046174
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #98 in the year 2025 (2025-05-13 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-33983 Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-16 10:46:19.706Z | 205.772° SW | 2025-12-16 10:50:19.706Z | 4.239° NNE | 43.719° | 2025-12-16 10:53:19.706Z | 22.556° NE |
| 4 mins | 2025-12-16 19:12:19.706Z | 25.615° NE | 2025-12-16 19:14:19.706Z | 61.944° ENE | 17.827° | 2025-12-16 19:16:19.706Z | 93.928° ESE |
| 5 mins | 2025-12-16 20:50:19.706Z | 304.187° NW | 2025-12-16 20:52:19.706Z | 253.487° W | 31.507° | 2025-12-16 20:55:19.706Z | 189.447° SSW |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|