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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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Iframe URL

https://www.satcat.com/sats-embedded/64540?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

64540, 2025-135N

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Blue Canyon

Mission

Operational Civil Astronomy

Bus & Motor

CUBESAT 6U, Unknown motor

Mass

5 kg wet, 5 kg dry

Launch date (UTC)

2025-06-23 (7 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

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 & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 ARCSTONE
1 64540U 25135N   26035.81302372  .00026541  00000-0  10054-2 0  9997
2 64540  97.4496 152.8676 0002746 289.2650  70.8291 15.26879791 34791

Epoch: 2026-02-04T19:30Z

TLE epoch observation values (Epoch: 2026-02-04T19:30:45.249Z)

Latitude

-0.00007°

Longitude

85.20485°

Altitude

487.626 km

Speed

7.622 km/s

True Right ascension

10h 11m 28s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

07:52:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

483.989 km

Perigee altitude

480.221 km

Semi-major axis

6,860.242 km

Eccentricity

0.00027

Inclination

97.4496°

RAAN

152.8676°

Arg. of periapsis

289.265°

True anomaly

70.85883°

Mean anomaly

70.8291°

Eccentric anomaly

70.84396°

Mean motion

3.81974 °/min

Orbital period

94.25 mins

BSTAR

0.0010054

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Other satellites on launch #135 in the year 2025 (2025-06-23 UTC)

LEMUR 2 HUBBLE-5, 64840

IRIDE-MS2-HEO-2, 64569

IRIDE-MS2-HEO-8, 64587

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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.

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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	2026-02-05 08:13:52.351Z	205.654° SW	2026-02-05 08:15:52.351Z	257.335° W	29.52°	2026-02-05 08:18:52.351Z	326.317° NNW
4 mins	2026-02-05 21:14:52.351Z	332.736° NNW	2026-02-05 21:16:52.351Z	284.087° WNW	23.574°	2026-02-05 21:18:52.351Z	240.455° WSW

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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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

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out ARCSTONE, 64540 on other resources

View ARCSTONE, 64540 on NASA - NSSDCA Website

View ARCSTONE, 64540 on Heavens-Above

View ARCSTONE, 64540 on Keep Track

View ARCSTONE, 64540 on Celestrak

View ARCSTONE, 64540 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

ARCSTONE, 64540

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-02-04T19:30:45.249Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #135 in the year 2025 (2025-06-23 UTC)

ARCSTONE Visibility forecast

Co-orbital & Co-planar RSOs

Check out ARCSTONE, 64540 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago