Passive CubeSats for remote inspection of space vehicles

Patrick Walton; Josh Cannon; Brian Damitz; Tyler Downs; Dallon Glick; Jacob Holtom; Nicholas Kohls; Alex Laraway; Iggy Matheson; Jason Redding; Cory Robinson; Jared Ryan; Niall Stoddard; Jacob Willis; Karl Warnick; Michael Wirthlin; Doran Wilde; Brian D. Iverson; David Long

doi:10.1117/1.JRS.13.032505

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12 July 2019 Passive CubeSats for remote inspection of space vehicles

Patrick Walton, Josh Cannon, Brian Damitz, Tyler Downs, Dallon Glick, Jacob Holtom, Nicholas Kohls, Alex Laraway, Iggy Matheson, Jason Redding, Cory Robinson, Jared Ryan, Niall Stoddard, Jacob Willis, Karl Warnick, Michael Wirthlin, Doran Wilde, Brian D. Iverson, David Long

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J. of Applied Remote Sensing, 13(3), 032505 (2019). https://doi.org/10.1117/1.JRS.13.032505

Abstract

Remote inspection can supplement instrumentation to holistically characterize vehicle state, but for space vehicles in flight, inspection is often either risky or costly. We propose using passive inspection CubeSats (PICs) to reliably and affordably image the launch vehicle with fine resolution, moderate coverage, and rapid response. The PICs mission, developed by Brigham Young University undergraduate students and manifested for launch in 2019, is designed to demonstrate this approach using two redundant CubeSats. Each CubeSat uses a spherical array of six cameras, 12 light-emitting diode flash units, and a field-programmable gate array to rapidly boot after separation and capture spherical images of its entire surroundings, including the launch vehicle and other released CubeSats. The PIC bus system includes several custom components, including a compact 3500-mAh battery system, 1 to 2 W solar power system, chassis, omnidirectional antenna system, radio, and a small integrated remove-before-flight-pin and system access port. Preliminary test results suggest the PICs are able to boot within 1.1 s of separation and inspect 1-mm features on each other and their launch vehicle, regardless of the spin developed at separation.

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Patrick Walton, Josh Cannon, Brian Damitz, Tyler Downs, Dallon Glick, Jacob Holtom, Nicholas Kohls, Alex Laraway, Iggy Matheson, Jason Redding, Cory Robinson, Jared Ryan, Niall Stoddard, Jacob Willis, Karl Warnick, Michael Wirthlin, Doran Wilde, Brian D. Iverson, and David Long "Passive CubeSats for remote inspection of space vehicles," Journal of Applied Remote Sensing 13(3), 032505 (12 July 2019). https://doi.org/10.1117/1.JRS.13.032505

Received: 2 April 2019; Accepted: 19 June 2019; Published: 12 July 2019

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