Mr. John N. Kidd Profile

John N. Kidd

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Publications (8)

SPIE Journal Paper | 22 August 2024 Open Access

SALTUS probe class space mission: observatory architecture and mission design

Leon Harding, Jonathan Arenberg, Benjamin Donovan, Dave Oberg, Ryan Goold, Bob Chang, Christopher Walker, Dana Turse, Jim Moore, Jim Pearson, John Kidd, Zach Lung, Dave Lung

JATIS, Vol. 10, Issue 04, 042303, (August 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.4.042303

KEYWORDS: Space operations, Observatories, Design, Data storage, Equipment, Cryogenics, James Webb Space Telescope, Reflectors, Control systems, Sun

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We describe the space observatory architecture and mission design of the Single Aperture Large Telescope for Universe Studies (SALTUS) mission, a National Aeronautics and Space Administration (NASA) Astrophysics Probe Explorer concept. SALTUS will address key far-infrared science using a 14-m diameter <45 K primary reflector (M1) and will provide unprecedented levels of spectral sensitivity for planet, solar system, and galactic evolution studies and cosmic origins. Drawing from Northrop Grumman’s extensive NASA mission heritage, the observatory flight system is based on the LEOStar-3 spacecraft platform to carry the SALTUS Payload. The Payload is comprised of the inflation control system, sunshield module (SM), cold corrector module (CCM), warm instrument electronics module, and primary reflector module (PRM). The 14-m M1 is an off-axis inflatable membrane radiatively cooled by a two-layer sunshield (∼1000 m2 per layer). The CCM corrects for residual aberration from M1 and delivers a focused beam to two instruments—the High-Resolution Receiver (HiRX) and SAFARI-Lite. The CCM and PRM reside atop a truss-based composite deck that also provides a platform for the attitude control system. The SALTUS 5-year mission lifetime is driven by a two-consumable architecture: the propellant system and the inflation control system. The core interface module (CIM), a multi-faceted composite truss structure, provides a load path with high stiffness, mechanical attachment, and thermal separation between the Payload and spacecraft. The SM attaches outside the CIM with its aft end integrating directly to the bus. The spacecraft maintains an attitude off M1’s boresight with respect to the Sun line to facilitate the <45 K thermal environment. SALTUS will reside in a Sun–Earth halo L2 orbit with a maximum Earth slant range of 1.8 million km, thereby reducing orbit transfer delta-v. The instantaneous field of regard provides two continuous 20 deg viewing zones around the ecliptic poles, resulting in full sky coverage in 6 months.

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Proceedings Article | 21 August 2024 Poster + Paper

Ultraviolet reflective grating performance verification test setup and simulations for the Aspera SmallSat mission

Jessica Li, Rebecca Su, Sumedha Uppnor, Haeun Chung, Jason Corliss, Simran Agarwal, Aafaque Khan, Elijah Garcia, Naomi Yescas, Daniel Truong, Carlos Vargas, Erika Hamden, Ramona Augustin, Peter Behroozi, Joe Burchett, Heejoo Choi, Lauren Corlies, Greyson Davis, Ralf-Jürgen Dettmar, Ewan Douglas, Carl Hergenrother, Keri Hoadley, J. Christopher Howk, Miriam Keppler, Daewook Kim, Nicole Melso, David Schiminovich, Fernando Coronado, Giulia Ghidoli, Alfred Goodwin, Dave Hamara, Walter Harris, Karl Harshman, John Kidd, Tom McMahon, Jamison Noenickx, Gabe Noriega, Ryan Pecha, Cork Sauve, Sanford Selznick, Hannah Tanquary, Bill Verts, Ellie Wolcott, Dennis Zaritsky

Proceedings Volume 13093, 130932W (2024) https://doi.org/10.1117/12.3017215

KEYWORDS: Optical gratings, Vacuum, Mirrors, Optical alignment, Diffraction gratings, Simulations, Optical fabrication, Microchannel plates, Vacuum chambers, Sensors

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Proceedings Article | 21 August 2024 Poster + Paper

Contamination control for the Aspera FUV SmallSat

Nicole Melso, Aafaque Khan, Hannah Tanquary, Elijah Garcia, Daniel Truong, Naomi Yescas, Sooseong Park, Sumedha Uppnor, Carlos Vargas, Haeun Chung, Tom Mcmahon, Keri Hoadley, Erika Hamden, Jason Corliss, Bill Verts, Simran Agarwal, Ramona Augustin, Peter Behroozi, Harrison Bradley, Trenton Brendel, Joe Burchett, Jasmine Martinez Castillo, Jacob Chambers, Heejoo Choi, Lauren Corlies, Fernando Coronado, Greyson Davis, Ralf-Jürgen Dettmar, Ewan Douglas, Giulia Ghidoli, Alfred Goodwin, Dave Hamara, Walt Harris, Carl Hergenrother, J. Christopher Howk, Miriam Keppler, Nazende ipek Kerkeser, John Kidd, DaeWook Kim, Jessica Li, Jamison Noenickx, Gabe Noriega, Ryan Pecha, Cork Sauve, David Schiminovich, Sanford Selznick, Oswald Siegmund, Rebecca Su, Ellie Wolcott, Dennis Zaritsky

Proceedings Volume 13093, 130932Q (2024) https://doi.org/10.1117/12.3017698

KEYWORDS: Contamination, Vacuum chambers, Contamination control, Humidity, Vacuum, Far ultraviolet

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Proceedings Article | 21 August 2024 Presentation + Paper

Optical alignment of contamination-sensitive far-ultraviolet spectrographs for Aspera SmallSat mission

Aafaque Khan, Erika Hamden, Haeun Chung, Heejoo Choi, Daewook Kim, Nicole Melso, Keri Hoadley, Carlos Vargas, Daniel Truong, Elijah Garcia, Bill Verts, Fernando Coronado, Jamison Noenickx, Jason Corliss, Hannah Tanquary, Tom McMahon, Dave Hamara, Simran Agarwal, Ramona Augustin, Peter Behroozi, Harrison Bradley, Trenton Brendel, Joe Burchett, Jasmine Martinez Castillo, Jacob Chambers, Lauren Corlies, Greyson Davis, Ralf-Jürgen Dettmar, Ewan Douglas, Giulia Ghidoli, Alfred Goodwin, Walter Harris, Carl Hergenrother, J. Christopher Howk, Miriam Keppler, Nazende Ipek Kerkeser, John Kidd, Jessica Li, Gabe Noriega, Sooseong Park, Ryan Pecha, Cork Sauve, David Schiminovich, Sanford Selznic, Oswald Siegmund, Rebecca Su, Sumedha Uppnor, Jacob Vider, Ellie Wolcott, Naomi Yescas, Dennis Zaritsky

Proceedings Volume 13093, 130930A (2024) https://doi.org/10.1117/12.3020822

KEYWORDS: Ultraviolet astronomy, 3D metrology, Far ultraviolet, Optical alignment, Computer generated holography, Tolerancing, Prototyping, Microchannel plates, Vacuum, Contamination, Spectrographs

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Proceedings Article | 21 August 2024 Presentation + Paper

Aspera payload design overview: UV SmallSat mission to detect and map warm-hot halo gas around the nearby galaxies

Haeun Chung, Carlos Vargas, Erika Hamden, Tom McMahon, Hannah Tanquary, Aafaque Khan, Fernando Coronado, Bill Verts, Nicole Melso, Heejoo Choi, Simran Agarwal, Jason Corliss, Keri Hoadley, Miriam Keppler, Dave Hamara, Elijah Garcia, Daniel Truong, Naomi Yescas, Ramona Augustin, Mateo Batkis, Peter Behroozi, Harrison Bradley, Trenton Brendel, Joseph Burchett, Jasmine Martinez Castillo, Jacob Chambers, Lauren Corlies, Greyson Davis, Ralf-Jürgen Dettmar, Ewan Douglas, Giulia Ghidoli, Alfred Goodwin, Walter Harris, John Hennessy, Carl Hergenrother, J. Christopher Howk, Nazende Ipek Kerkeser, John Kidd, Daewook Kim, Jessica Li, Adrian Martin, Jamison Noenickx, Gabe Noriega, Sooseong Park, Ryan Pecha, Manuel Quijada, L. Rodriguez de Marcos, Cork Sauve, David Schiminovich, Sanford Selznick, Oswald Siegmund, Rebecca Su, Sumedha Uppnor, Ellie Wolcott, Dennis Zaritsky

Proceedings Volume 13093, 1309302 (2024) https://doi.org/10.1117/12.3017274

KEYWORDS: Optical gratings, Microchannel plates, Spectrographs, Optical coatings, Optical alignment, Spectral resolution

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Showing 5 of 8 publications

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