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 26171.28640941 .00003767 00000-0 32335-3 0 9992
2 63943 70.0015 15.6376 0002436 268.7274 91.3606 14.98333053 61921Epoch: 2026-06-20T06:52Z
TLE epoch observation values (Epoch: 2026-06-20T06:52:25.773Z)
Latitude
0°
Longitude
4.027°
Altitude
574.511 km
Speed
7.574 km/s
True Right ascension
01h 02m 33s
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
10:20:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.687 km
Perigee altitude
568.302 km
Semi-major axis
6,948.132 km
Eccentricity
0.00024
Inclination
70.0015°
RAAN
15.6376°
Arg. of periapsis
268.7274°
True anomaly
91.38851°
Mean anomaly
91.3606°
Eccentric anomaly
91.37455°
Mean motion
3.7475 °/min
Orbital period
96.06 mins
BSTAR
0.00032335
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-20 23:26:03.602Z | 20.3° NNE | 2026-06-20 23:28:03.602Z | 49.837° ENE | 13.996° | 2026-06-20 23:30:03.602Z | 80.374° E |
| 6 mins | 2026-06-21 01:04:03.602Z | 320.861° NNW | 2026-06-21 01:07:03.602Z | 235.058° WSW | 38.714° | 2026-06-21 01:10:03.602Z | 175.33° S |
| 6 mins | 2026-06-21 15:04:03.602Z | 210.106° SW | 2026-06-21 15:07:03.602Z | 348.101° N | 43.321° | 2026-06-21 15:10:03.602Z | 20.761° 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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