ARCSTONE, 64540
Orbit data source: Space-Track
ARCSTONE, 64540 is a payload satellite owned by NASA LaRC (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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64540 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Blue Canyon
Mission
Operational Civil Astronomy
Bus & Motor
CUBESAT 6U, Unknown motor
Mass
5 kg wet, 5 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 0.6 m
Radar Cross Section
0.072 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 20 hours ago
TLE from 20 hours ago
0 ARCSTONE
1 64540U 25135N 26224.29196742 .00008730 00000-0 26325-3 0 9990
2 64540 97.4663 342.3597 0001915 20.4369 339.6951 15.34543380 63639Epoch: 2026-08-12T07:00Z
TLE epoch observation values (Epoch: 2026-08-12T07:00:25.985Z)
Latitude
0.00009°
Longitude
-83.49658°
Altitude
464.157 km
Speed
7.635 km/s
True Right ascension
22h 49m 26s
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
17:41:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
460.536 km
Perigee altitude
457.917 km
Semi-major axis
6,837.363 km
Eccentricity
0.00019
Inclination
97.4663°
RAAN
342.3597°
Arg. of periapsis
20.4369°
True anomaly
339.68748°
Mean anomaly
339.6951°
Eccentric anomaly
339.69129°
Mean motion
3.83893 °/min
Orbital period
93.78 mins
BSTAR
0.00026325
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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.ARCSTONE 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 | 2026-08-13 08:10:22.260Z | 179.801° S | 2026-08-13 08:13:22.260Z | 277.752° WNW | 40.748° | 2026-08-13 08:16:22.260Z | 340.083° N |
| 5 mins | 2026-08-13 21:08:22.260Z | 349.481° N | 2026-08-13 21:10:22.260Z | 273.029° WNW | 36.404° | 2026-08-13 21:13:22.260Z | 210.946° SW |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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