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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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
Box + Trunc Cone + Cone + 2 Pan, 2.4 m
Radar Cross Section
3.416 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 W-SERIES 4
1 64543U 25135R 26149.95954597 .03167458 19530-5 52309-3 0 9992
2 64543 97.4204 261.5534 0249774 144.4703 217.3494 15.84781843 51805Epoch: 2026-05-29T23:01Z
TLE epoch observation values (Epoch: 2026-05-29T23:01:44.771Z)
Latitude
-0.00006°
Longitude
28.63442°
Altitude
454.581 km
Speed
7.563 km/s
True Right ascension
17h 26m 12s
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
17:00:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
480.964 km
Perigee altitude
146.669 km
Semi-major axis
6,691.954 km
Eccentricity
0.02498
Inclination
97.4204°
RAAN
261.5534°
Arg. of periapsis
144.4703°
True anomaly
215.65532°
Mean anomaly
217.3494°
Eccentric anomaly
216.49819°
Mean motion
3.96473 °/min
Orbital period
90.8 mins
BSTAR
0.00052309
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Other satellites on launch #135 in the year 2025 (2025-06-23 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.W-SERIES 4 Visibility
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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. |
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| W-SERIES 4 is likely not visible in the next few days. |
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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