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, 0.7 m
Radar Cross Section
0.072 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 ARCSTONE
1 64540U 25135N 26110.29710836 .00013490 00000-0 45801-3 0 9999
2 64540 97.4551 227.4348 0003287 56.2771 303.8782 15.30615185 46174Epoch: 2026-04-20T07:07Z
TLE epoch observation values (Epoch: 2026-04-20T07:07:50.162Z)
Latitude
-0.00008°
Longitude
-87.91346°
Altitude
475.824 km
Speed
7.629 km/s
True Right ascension
15h 09m 44s
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
02:30:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
473.181 km
Perigee altitude
468.678 km
Semi-major axis
6,849.066 km
Eccentricity
0.00033
Inclination
97.4551°
RAAN
227.4348°
Arg. of periapsis
56.2771°
True anomaly
303.84692°
Mean anomaly
303.8782°
Eccentric anomaly
303.86256°
Mean motion
3.82909 °/min
Orbital period
94.02 mins
BSTAR
0.00045801
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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 | 2026-04-20 20:14:32.541Z | 28.863° NE | 2026-04-20 20:17:32.541Z | 93.339° ESE | 32.423° | 2026-04-20 20:20:32.541Z | 167.02° S |
| 4 mins | 2026-04-21 08:22:32.541Z | 214.865° SW | 2026-04-21 08:24:32.541Z | 271.483° WNW | 26.493° | 2026-04-21 08:26:32.541Z | 317.557° NNW |
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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