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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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<iframe src="https://www.satcat.com/sats-embedded/40968?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/40968?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

40968, 2015-058E

Orbit

LEO

Country

Related business

Salish Kootenai College (US)

Manufacturer

Salish Kootenai

Mission

Operational Amateur Technology

Bus & Motor

CUBESAT 1U, Unknown motor

Mass

1 kg wet, 1 kg dry

Launch date (UTC)

2015-10-08 (11 years ago)

Launch vehicle

ATLAS V 401

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.015 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 BISONSAT
1 40968U 15058E   26261.18453015  .00001961  00000-0  16004-3 0  9991
2 40968  64.7758 327.5226 0127458  17.9817 342.5744 14.96513170130575

Epoch: 2026-09-18T04:25Z

TLE epoch observation values (Epoch: 2026-09-18T04:25:43.404Z)

Latitude

-0.00006°

Longitude

-96.01933°

Altitude

495.198 km

Speed

7.664 km/s

True Right ascension

21h 50m 05s

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

07:37:06

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

664.882 km

Perigee altitude

487.604 km

Semi-major axis

6,954.38 km

Eccentricity

0.01275

Inclination

64.7758°

RAAN

327.5226°

Arg. of periapsis

17.9817°

True anomaly

342.13027°

Mean anomaly

342.5744°

Eccentric anomaly

342.35301°

Mean motion

3.74245 °/min

Orbital period

96.19 mins

BSTAR

0.00016004

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Other satellites on launch #58 in the year 2015 (2015-10-08 UTC)

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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.
6 mins	2026-09-18 16:13:25.983Z	294.975° NW	2026-09-18 16:16:25.983Z	241.819° WSW	25.804°	2026-09-18 16:19:25.983Z	195.309° SSW
6 mins	2026-09-19 06:14:25.983Z	211.275° SW	2026-09-19 06:17:25.983Z	27.668° NE	74.649°	2026-09-19 06:20:25.983Z	31.5° NE
8 mins	2026-09-19 14:37:25.983Z	338.826° N	2026-09-19 14:41:25.983Z	55.765° ENE	51.857°	2026-09-19 14:45:25.983Z	130.546° SE

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

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Check out BISONSAT, 40968 on other resources

View BISONSAT, 40968 on NASA - NSSDCA Website

View BISONSAT, 40968 on Heavens-Above

View BISONSAT, 40968 on Keep Track

View BISONSAT, 40968 on Celestrak

View BISONSAT, 40968 on Gunter's Space Page

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

BISONSAT, 40968

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: 2026-09-18T04:25:43.404Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #58 in the year 2015 (2015-10-08 UTC)

BISONSAT Visibility forecast

Co-orbital & Co-planar RSOs

Check out BISONSAT, 40968 on other resources

Documentation

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