W-SERIES 4, 64543
Orbit data source: Space-Track
W-SERIES 4, 64543 is a payload satellite owned by Varda Space (US) in SSO that was launched on Mon, 23 Jun 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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64543 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Varda Space
Mission
Operational Commercial Microgravity
Bus & Motor
VW, Unknown motor
Mass
300 kg wet, 55 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Trunc Cone, 2.4 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 W-SERIES 4
1 64543U 25135R 26036.27936822 .00070177 27120-5 86262-3 0 9990
2 64543 97.4539 150.8292 0410483 175.9504 184.5221 14.99340527 34665Epoch: 2026-02-05T06:42Z
TLE epoch observation values (Epoch: 2026-02-05T06:42:17.414Z)
Latitude
-0.00002°
Longitude
-85.17723°
Altitude
856.409 km
Speed
7.271 km/s
True Right ascension
10h 03m 19s
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
14:08:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
850.962 km
Perigee altitude
280.879 km
Semi-major axis
6,944.058 km
Eccentricity
0.04105
Inclination
97.4539°
RAAN
150.8292°
Arg. of periapsis
175.9504°
True anomaly
184.16932°
Mean anomaly
184.5221°
Eccentric anomaly
184.34396°
Mean motion
3.75079 °/min
Orbital period
95.98 mins
BSTAR
0.00086262
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Other satellites on launch #135 in the year 2025 (2025-06-23 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.W-SERIES 4 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 | 2026-02-05 20:06:39.613Z | 28.091° NE | 2026-02-05 20:08:39.613Z | 71.675° E | 29.978° | 2026-02-05 20:10:39.613Z | 161.486° S |
| 7 mins | 2026-02-06 06:52:39.613Z | 127.753° SE | 2026-02-06 06:55:39.613Z | 78.62° E | 30.189° | 2026-02-06 06:59:39.613Z | 10.31° NNE |
| 7 mins | 2026-02-06 08:27:39.613Z | 215.796° SW | 2026-02-06 08:30:39.613Z | 258.818° W | 24.111° | 2026-02-06 08:34:39.613Z | 318.678° NNW |
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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