BISONSAT, 40968
Orbit data source: Space-Track
BISONSAT, 40968 is a payload satellite owned by Salish Kootenai (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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40968 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Salish Kootenai
Mission
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, Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 BISONSAT
1 40968U 15058E 26147.62015772 .00005195 00000-0 41778-3 0 9996
2 40968 64.7760 323.3134 0118060 61.3460 299.9465 14.95732231113583Epoch: 2026-05-27T14:53Z
TLE epoch observation values (Epoch: 2026-05-27T14:53:01.627Z)
Latitude
-0.00005°
Longitude
-145.12003°
Altitude
541.835 km
Speed
7.614 km/s
True Right ascension
21h 33m 15s
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
05:08:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
660.797 km
Perigee altitude
496.533 km
Semi-major axis
6,956.802 km
Eccentricity
0.01181
Inclination
64.776°
RAAN
323.3134°
Arg. of periapsis
61.346°
True anomaly
298.76564°
Mean anomaly
299.9465°
Eccentric anomaly
299.35693°
Mean motion
3.74049 °/min
Orbital period
96.24 mins
BSTAR
0.00041778
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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.BISONSAT 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-05-27 21:48:47.764Z | 347.904° N | 2026-05-27 21:51:47.764Z | 37.158° NE | 27.397° | 2026-05-27 21:55:47.764Z | 115.228° SE |
| 4 mins | 2026-05-27 23:29:47.764Z | 274.496° WNW | 2026-05-27 23:30:47.764Z | 254.338° W | 20.581° | 2026-05-27 23:33:47.764Z | 201.347° SSW |
| 5 mins | 2026-05-28 13:30:47.764Z | 214.667° SW | 2026-05-28 13:32:47.764Z | 279.517° WNW | 44.815° | 2026-05-28 13:35:47.764Z | 29.947° NE |
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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