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, 3.0 m
Radar Cross Section
0.072 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 ARCSTONE
1 64540U 25135N 26284.05011828 .00032476 00000-0 91038-3 0 9998
2 64540 97.4726 42.9277 0003281 129.3549 230.7986 15.36528406 72806Epoch: 2026-10-11T01:12Z
TLE epoch observation values (Epoch: 2026-10-11T01:12:10.219Z)
Latitude
-0.00002°
Longitude
5.23666°
Altitude
460.913 km
Speed
7.635 km/s
True Right ascension
02h 51m 42s
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
19:11:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
455.573 km
Perigee altitude
451.09 km
Semi-major axis
6,831.468 km
Eccentricity
0.00033
Inclination
97.4726°
RAAN
42.9277°
Arg. of periapsis
129.3549°
True anomaly
230.76947°
Mean anomaly
230.7986°
Eccentric anomaly
230.78404°
Mean motion
3.8439 °/min
Orbital period
93.65 mins
BSTAR
0.00091038
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-10-12 08:36:42.962Z | 222.873° SW | 2026-10-12 08:37:42.962Z | 255.597° W | 32.731° | 2026-10-12 08:40:42.962Z | 325.931° NNW |
| 4 mins | 2026-10-12 21:32:42.962Z | 320.113° NNW | 2026-10-12 21:33:42.962Z | 289.87° WNW | 28.056° | 2026-10-12 21:36:42.962Z | 227.884° WSW |
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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