STARLINK-33974, 63954
Orbit data source: Space-Track
STARLINK-33974, 63954 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 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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63954 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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-33974
1 63954U 25099C 26098.12571239 .00026782 00000-0 97887-3 0 9994
2 63954 43.0027 10.3770 0001421 270.0941 89.9748 15.27591673 51832Epoch: 2026-04-08T03:01Z
TLE epoch observation values (Epoch: 2026-04-08T03:01:01.550Z)
Latitude
-0.00001°
Longitude
128.72797°
Altitude
482.79 km
Speed
7.626 km/s
True Right ascension
00h 41m 30s
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
16:07:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.934 km
Perigee altitude
483.984 km
Semi-major axis
6,863.096 km
Eccentricity
0.00014
Inclination
43.0027°
RAAN
10.377°
Arg. of periapsis
270.0941°
True anomaly
89.99108°
Mean anomaly
89.9748°
Eccentric anomaly
89.98294°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.00097887
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Other satellites on launch #99 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-33974 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 | 2026-04-08 20:27:47.653Z | 175.761° S | 2026-04-08 20:29:47.653Z | 139.972° SSE | 15.686° | 2026-04-08 20:31:47.653Z | 105.953° ESE |
| 6 mins | 2026-04-08 22:05:47.653Z | 238.724° WSW | 2026-04-08 22:07:47.653Z | 203.228° SW | 42.045° | 2026-04-08 22:11:47.653Z | 74.152° E |
| 6 mins | 2026-04-08 23:44:47.653Z | 283.216° WNW | 2026-04-08 23:46:47.653Z | 327.094° NNW | 37.267° | 2026-04-08 23:50:47.653Z | 73.269° E |
| 6 mins | 2026-04-09 01:23:47.653Z | 292.057° WNW | 2026-04-09 01:26:47.653Z | 53.465° ENE | 41.654° | 2026-04-09 01:29:47.653Z | 96.671° ESE |
| 4 mins | 2026-04-09 03:03:47.653Z | 255.346° W | 2026-04-09 03:04:47.653Z | 227.689° WSW | 29.495° | 2026-04-09 03:07:47.653Z | 149.306° SSE |
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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