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: 6 hours ago
TLE from 6 hours ago
0 ARCSTONE
1 64540U 25135N 26260.27331630 .00017373 00000-0 50183-3 0 9997
2 64540 97.4693 18.8010 0002407 196.8230 163.2934 15.35720668 69151Epoch: 2026-09-17T06:33Z
TLE epoch observation values (Epoch: 2026-09-17T06:33:34.528Z)
Latitude
-0.00002°
Longitude
-75.80579°
Altitude
463.467 km
Speed
7.634 km/s
True Right ascension
01h 15m 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
05:14:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
457.373 km
Perigee altitude
454.083 km
Semi-major axis
6,833.865 km
Eccentricity
0.00024
Inclination
97.4693°
RAAN
18.801°
Arg. of periapsis
196.823°
True anomaly
163.30133°
Mean anomaly
163.2934°
Eccentric anomaly
163.29736°
Mean motion
3.84188 °/min
Orbital period
93.7 mins
BSTAR
0.00050183
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-09-17 21:11:48.142Z | 354.936° N | 2026-09-17 21:13:48.142Z | 309.595° NW | 44.94° | 2026-09-17 21:16:48.142Z | 214.461° SW |
| 5 mins | 2026-09-18 07:43:48.142Z | 134.003° SE | 2026-09-18 07:45:48.142Z | 57.824° ENE | 43.258° | 2026-09-18 07:48:48.142Z | 1.233° NNE |
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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