STARLINK-33985, 63943
Orbit data source: Space-Track
STARLINK-33985, 63943 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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63943 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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-33985
1 63943U 25098T 26096.64894222 -.00941025 00000-0 -88136-1 0 9999
2 63943 70.0026 203.8182 0007576 298.1660 61.8732 14.96678200 50749Epoch: 2026-04-06T15:34Z
TLE epoch observation values (Epoch: 2026-04-06T15:34:28.607Z)
Latitude
-0.00008°
Longitude
135.26199°
Altitude
577.11 km
Speed
7.574 km/s
True Right ascension
13h 35m 16s
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
14:22:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
580.386 km
Perigee altitude
569.85 km
Semi-major axis
6,953.255 km
Eccentricity
0.00076
Inclination
70.0026°
RAAN
203.8182°
Arg. of periapsis
298.166°
True anomaly
61.9498°
Mean anomaly
61.8732°
Eccentric anomaly
61.91149°
Mean motion
3.74335 °/min
Orbital period
96.17 mins
BSTAR
-0.088136
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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-33985 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 | 2026-04-07 09:23:41.484Z | 252.156° W | 2026-04-07 09:26:41.484Z | 311.159° NW | 24.242° | 2026-04-07 09:29:41.484Z | 359.226° N |
| 7 mins | 2026-04-07 17:48:41.484Z | 348.451° N | 2026-04-07 17:51:41.484Z | 64.404° ENE | 39.964° | 2026-04-07 17:55:41.484Z | 142.126° SSE |
| 6 mins | 2026-04-08 07:51:41.484Z | 168.72° S | 2026-04-08 07:53:41.484Z | 124.788° SE | 33.229° | 2026-04-08 07:57:41.484Z | 40.443° NE |
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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