Search Results - "Longuski, James"

Enumeration of the Multiple-Outage Missed-Thrust Problem by Pekosh, Jeffrey, Longuski, James M.

“…Enumeration of the problem space for the multiple-outage missed-thrust problem is a significant factor for determining what types of analysis is feasible to…”
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Aerocapture: Enabling Small Spacecraft Direct Access to Low-Circular Orbits for Planetary Constellations by Girija, Athul Pradeepkumar, Saikia, Sarag J., Longuski, James M.

“…Small satellite constellations in multiple-inclination, low-circular orbits around Mars and Venus have the potential to perform a range of high-value science…”
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Mission Architecture to Characterize Habitability of Venus Cloud Layers via an Aerial Platform by Agrawal, Rachana, Buchanan, Weston, Arora, Archit, Girija, Athul, De Jong, Maxim, Seager, Sara, Petkowski, Janusz, Saikia, Sarag, Carr, Christopher, Grinspoon, David, Longuski, James

“…Venus is known for its extreme surface temperature and its sulfuric acid clouds. But the cloud layers on Venus have similar temperature and pressure conditions…”
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Conceptual design and assessment of a mars orbital logistics node for sustainable human exploration by Agrawal, Rachana, Potter, Robert, Saikia, Sarag J., Longuski, James M., Davis, Richard M., Collom, Bob

“…Logistics supply chains with nodes at critical locations such as the Earth’s surface, Earth’s orbit, cis-lunar space, Mars orbit and the surface of Mars are…”
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Method to maintain artificial gravity during transfer maneuvers for tethered spacecraft by Martin, Kaela M., Landau, Damon F., Longuski, James M.

“…Artificial gravity has long been proposed to limit the harmful effects of the micro-gravity environment on human crews during mission to Mars. A tethered…”
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Aerial Platform Design Options for a Life-Finding Mission at Venus by Buchanan, Weston P., de Jong, Maxim, Agrawal, Rachana, Petkowski, Janusz J., Arora, Archit, Saikia, Sarag J., Seager, Sara, Longuski, James

“…Mounting evidence of chemical disequilibria in the Venusian atmosphere has heightened interest in the search for life within the planet’s cloud decks. Balloon…”
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Analytical solutions for the relative motion of spacecraft subject to Lorentz-force perturbations by Pollock, George E., Gangestad, Joseph W., Longuski, James M.

“…A spacecraft capable of producing higher-than-natural electrostatic charges may achieve propellantless orbital maneuvering via the Lorentz-force interaction…”
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Multiple-satellite-aided capture trajectories at Jupiter using the Laplace resonance by Lynam, Alfred E., Kloster, Kevin W., Longuski, James M.

“…Satellite-aided capture is a mission design concept used to reduce the delta-v required to capture into a planetary orbit. The technique employs close flybys…”
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Europa Orbiter tour design with Io gravity assists by Kloster, Kevin W., Petropoulos, Anastassios E., Longuski, James M.

“…For a Europa Orbiter mission, the strategy for designing Jovian System tours that include Io flybys differs significantly from schemes developed for previous…”
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Preliminary analysis for the navigation of multiple-satellite-aided capture sequences at Jupiter by Lynam, Alfred E., Longuski, James M.

“…Multiple-satellite-aided capture employing gravity assists of more than one Galilean moon can help capture a spacecraft into orbit about Jupiter. Each…”
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Establishing cycler trajectories between Earth and Mars by Rogers, Blake A., Hughes, Kyle M., Longuski, James M., Aldrin, Buzz

“…Several cycler concepts have been proposed to provide safe and comfortable quarters for astronauts traveling between the Earth and Mars. However, no literature…”
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Low-thrust trajectories for human missions to Ceres by Laipert, Frank E., Longuski, James M.

“…A low-thrust trajectory design study is performed for a mission to send humans to Ceres and back. The flight times are constrained to 270 days for each leg,…”
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Low-thrust roundtrip trajectories to Mars with one-synodic-period repeat time by Okutsu, Masataka, Landau, Damon F., Rogers, Blake A., Longuski, James M.

“…Cycler trajectories—both ballistic and powered—are reported in the literature in which there are two-vehicle, three-vehicle, and four-vehicle cases. Such…”
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Lagrange’s planetary equations for the motion of electrostatically charged spacecraft by Gangestad, Joseph W., Pollock, George E., Longuski, James M.

“…A spacecraft that generates an electrostatic charge on its surface in a planetary magnetic field will be subject to a perturbative Lorentz force. Active…”
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Laplace-resonant triple-cyclers for missions to Jupiter by Lynam, Alfred E., Longuski, James M.

“…Cyclers are space trajectories that repeatedly encounter the same set of bodies indefinitely. Typically, cyclers are designed to encounter two bodies…”
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Cassini Saturn-escape trajectories to Jupiter, Uranus, and Neptune by Okutsu, Masataka, Yam, Chit Hong, Longuski, James M., Strange, Nathan J.

“…Potential encore-mission scenarios have been considered for the Cassini mission. In this paper we discuss one of the end-of-life scenarios in which the Cassini…”
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Asymptotic theory for thrusting, spinning-up spacecraft maneuvers by Ayoubi, Mohammad A., Longuski, James M.

“…We consider the problem of a spacecraft subjected to constant body-fixed forces and moments about all three axes during a spinning-up, thrusting maneuver. In…”
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A single wheel test rig for ocean world rovers by Girija, Athul Pradeepkumar, Agrawal, Rachana, Lu, Ye, Arora, Archit, de Jong, Maxim, Saikia, Sarag J., Longuski, James M.

“…•Design and construction of single wheel test rig for Ocean World rover is presented.•Built using commercially available mechanical parts, motors, actuators,…”
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Resilient architecture pathways to establish and operate a pioneering base on Mars by Potter, Robert, Saikia, Sarag, Longuski, James

“…We outline an architecture pathway to establish a permanent base on Mars that can support a 50-person crew. After base establishment, a long-term colony is…”
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AMAT: A Python package for rapid conceptual design of aerocapture and atmospheric Entry, Descent, and Landing (EDL) missions in a Jupyter environment by Girija, Athul, Saikia, Sarag, Longuski, James, Cutts, James

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