ARC-1, 40969
Orbit data source: Space-Track
ARC-1, 40969 is a payload satellite owned by Alaska (US) in LEO that was launched on Thu, 08 Oct 2015 UTC via an ATLAS V 401 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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40969 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Alaska
Mission
Non-operational Amateur Technology
Bus & Motor
CUBESAT 1U, Unknown motor
Mass
1 kg wet, 1 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.015 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 ARC-1
1 40969U 15058F 25256.54734275 .00021137 00000-0 82764-3 0 9998
2 40969 64.7715 318.6740 0063406 159.4860 200.8838 15.23957955 74541Epoch: 2025-09-13T13:08Z
TLE epoch observation values (Epoch: 2025-09-13T13:08:10.413Z)
Latitude
0.00005°
Longitude
128.8515°
Altitude
536.703 km
Speed
7.572 km/s
True Right ascension
21h 14m 41s
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
23:05:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
536.026 km
Perigee altitude
448.899 km
Semi-major axis
6,870.6 km
Eccentricity
0.00634
Inclination
64.7715°
RAAN
318.674°
Arg. of periapsis
159.486°
True anomaly
200.6267°
Mean anomaly
200.8838°
Eccentric anomaly
200.75506°
Mean motion
3.81111 °/min
Orbital period
94.46 mins
BSTAR
0.00082764
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Other satellites on launch #58 in the year 2015 (2015-10-08 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.ARC-1 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 | 2025-09-14 06:37:48.859Z | 245.35° WSW | 2025-09-14 06:40:48.859Z | 315.486° NNW | 29.848° | 2025-09-14 06:43:48.859Z | 13.055° NNE |
| 5 mins | 2025-09-14 14:53:48.859Z | 325.46° NNW | 2025-09-14 14:55:48.859Z | 169.593° S | 43.847° | 2025-09-14 14:58:48.859Z | 151.375° SSE |
| 5 mins | 2025-09-15 06:15:48.859Z | 248.352° W | 2025-09-15 06:17:48.859Z | 306.029° NW | 33.132° | 2025-09-15 06:20:48.859Z | 14.097° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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