Search Results - "Scheirich, Petr"

Goldstone and Arecibo radar observations of (99942) Apophis in 2012–2013 by Brozović, Marina, Benner, Lance A.M., McMichael, Joseph G., Giorgini, Jon D., Pravec, Petr, Scheirich, Petr, Magri, Christopher, Busch, Michael W., Jao, Joseph S., Lee, Clement G., Snedeker, Lawrence G., Silva, Marc A., Slade, Martin A., Semenov, Boris, Nolan, Michael C., Taylor, Patrick A., Howell, Ellen S., Lawrence, Kenneth J.

“…•NEA (99942) Apophis was imaged with Goldstone radar with ∼20 m range resolution.•The delay-Doppler images imply that Apophis is an elongated, asymmetric, and…”
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Radar Imaging of Binary Near-Earth Asteroid (66391) 1999 KW4 by Ostro, Steven.J, Margot, Jean-Luc, Benner, Lance A.M, Giorgini, Jon D, Scheeres, Daniel J, Fahnestock, Eugene G, Broschart, Stephen B, Bellerose, Julie, Nolan, Michael C, Magri, Christopher, Pravec, Petr, Scheirich, Petr, Rose, Randy, Jurgens, Raymond F, De Jong, Eric M, Suzuki, Shigeru

“…High-resolution radar images reveal near-Earth asteroid (66391) 1999 KW4 to be a binary system. The ~1.5-kilometer-diameter primary (Alpha) is an…”
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The Perturbed Full Two-body Problem: Application to Post-DART Didymos by Meyer, Alex J., Agrusa, Harrison F., Richardson, Derek C., Daly, R. Terik, Fuentes-Muñoz, Oscar, Hirabayashi, Masatoshi, Michel, Patrick, Merrill, Colby C., Nakano, Ryota, Cheng, Andrew F., Barbee, Brent, Barnouin, Olivier S., Chesley, Steven R., Ernst, Carolyn M., Gkolias, Ioannis, Moskovitz, Nicholas A., Naidu, Shantanu P., Pravec, Petr, Scheirich, Petr, Thomas, Cristina A., Tsiganis, Kleomenis, Scheeres, Daniel J.

“…Abstract With the successful impact of the NASA Double Asteroid Redirection Test (DART) spacecraft in the Didymos–Dimorphos binary asteroid system, we provide…”
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Spin state evolution of (99942) Apophis during its 2029 Earth encounter by Benson, Conor J., Scheeres, Daniel J., Brozović, Marina, Chesley, Steven R., Pravec, Petr, Scheirich, Petr

“…We explore the effects of the 2029 Earth encounter on asteroid (99942) Apophis’ non-principal axis spin state, leveraging refined orbit, spin state, and…”
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Using a discrete element method to investigate seismic response and spin change of 99942 Apophis during its 2029 tidal encounter with Earth by DeMartini, Joseph V., Richardson, Derek C., Barnouin, Olivier S., Schmerr, Nicholas C., Plescia, Jeffrey B., Scheirich, Petr, Pravec, Petr

“…Near-Earth Asteroid 99942 Apophis presents a unique opportunity to study the dynamics, bulk properties, and interior structure of a rubble-pile asteroid when…”
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The Double Asteroid Redirection Test (DART): Planetary Defense Investigations and Requirements by Rivkin, Andrew S., Chabot, Nancy L., Stickle, Angela M., Thomas, Cristina A., Richardson, Derek C., Barnouin, Olivier, Fahnestock, Eugene G., Ernst, Carolyn M., Cheng, Andrew F., Chesley, Steven, Naidu, Shantanu, Statler, Thomas S., Barbee, Brent, Agrusa, Harrison, Moskovitz, Nicholas, Terik Daly, R., Pravec, Petr, Scheirich, Petr, Dotto, Elisabetta, Della Corte, Vincenzo, Michel, Patrick, Küppers, Michael, Atchison, Justin, Hirabayashi, Masatoshi

“…Abstract The Double Asteroid Redirection Test (DART) is a Planetary Defense mission, designed to demonstrate the kinetic impactor technique on (65803) Didymos…”
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Anticipating the DART Impact: Orbit Estimation of Dimorphos Using a Simplified Model by Naidu, Shantanu P., Chesley, Steven R., Farnocchia, Davide, Moskovitz, Nick, Pravec, Petr, Scheirich, Petr, Thomas, Cristina, Rivkin, Andrew S.

“…Abstract We used the times of occultations and eclipses between the components of the 65803 Didymos binary system observed in its light curves from 2003 to…”
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The Yarkovsky effect for 99942 Apophis by Vokrouhlický, David, Farnocchia, Davide, Čapek, David, Chesley, Steven R., Pravec, Petr, Scheirich, Petr, Müller, Thomas G.

“…•We compute Yarkovsky effect for 99942 Apophis.•The main difficulty consists in the tumbling rotation state of the asteroid.•Orbital fit provides Yarkovsky…”
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Anticipating the DART impact: Orbit estimation of Dimorphos using a simplified model by Naidu, Shantanu P, Chesley, Steven R, Farnocchia, Davide, Moskovitz, Nick, Pravec, Petr, Scheirich, Petr, Thomas, Cristina, Rivkin, Andrew S

“…We used the times of occultations and eclipses between the components of the 65803 Didymos binary system observed in its lightcurves from 2003-2021 to estimate…”
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The Perturbed Full Two-Body Problem: Application to Post-DART Didymos by Meyer, Alex J, Agrusa, Harrison F, Richardson, Derek C, Daly, R. Terik, Fuentes-Muñoz, Oscar, Hirabayashi, Masatoshi, Michel, Patrick, Merrill, Colby C, Nakano, Ryota, Cheng, Andrew F, Barbee, Brent, Barnouin, Olivier S, Chesley, Steven R, Ernst, Carolyn M, Gkolias, Ioannis, Moskovitz, Nicholas A, Naidu, Shantanu P, Pravec, Petr, Scheirich, Petr, Thomas, Cristina A, Tsiganis, Kleomenis, Scheeres, Daniel J

“…With the successful impact of the NASA DART spacecraft in the Didymos-Dimorphos binary asteroid system, we provide an initial analysis of the post-impact…”
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Dynamical Configuration of Binary Near-Earth Asteroid (66391) 1999 KW4 by Scheeres, D.J, Fahnestock, E.G, Ostro, S.J, Margot, J.-L, Benner, L.A.M, Broschart, S.B, Bellerose, J, Giorgini, J.D, Nolan, M.C, Magri, C, Pravec, P, Scheirich, P, Rose, R, Jurgens, R.F, De Jong, E.M, Suzuki, S

“…Dynamical simulations of the coupled rotational and orbital dynamics of binary near-Earth asteroid 66391 (1999 KW4) suggest that it is excited as a result of…”
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Successful Kinetic Impact into an Asteroid for Planetary Defense by Daly, R. Terik, Ernst, Carolyn M, Barnouin, Olivier S, Chabot, Nancy L, Rivkin, Andrew S, Cheng, Andrew F, Adams, Elena Y, Agrusa, Harrison F, Abel, Elisabeth D, Alford, Amy L, Asphaug, Erik I, Badger, Andrew R, Baki, Paul, Ballouz, Ronald-L, Bekker, Dmitriy L, Bellerose, Julie, Bhaskaran, Shyam, Buratti, Bonnie J, Cambioni, Saverio, Chen, Michelle H, Chesley, Steven R, Chiu, George, Collins, Gareth S, Cox, Matthew W, DeCoster, Mallory E, Ericksen, Peter S, Espiritu, Raymond C, Faber, Alan S, Farnham, Tony L, Ferrari, Fabio, Fletcher, Zachary J, Gaskell, Robert W, Graninger, Dawn M, Haque, Musad A, Harrington-Duff, Patricia A, Hefter, Sarah, Herreros, Isabel, Hirabayashi, Masatoshi, Huang, Philip M, Hsieh, Syau-Yun W, Jacobson, Seth A, Jenkins, Stephen N, Jensenius, Mark A, John, Jeremy W, Jutzi, Martin, Kohout, Tomas, Krueger, Timothy O, Laipert, Frank E, Lopez, Norberto R, Luther, Robert, Lucchetti, Alice, Mages, Declan M, Marchi, Simone, Martin, Anna C, McQuaide, Maria E, Michel, Patrick, Moskovitz, Nicholas A, Murphy, Ian W, Murdoch, Naomi, Naidu, Shantanu P, Nair, Hari, Nolan, Michael C, Ormö, Jens, Pajola, Maurizio, Palmer, Eric E, Peachey, James M, Pravec, Petr, Raducan, Sabina D, Ramesh, K. T, Ramirez, Joshua R, Reynolds, Edward L, Richman, Joshua E, Robin, Colas Q, Rodriguez, Luis M, Roufberg, Lew M, Rush, Brian P, Sawyer, Carolyn A, Scheeres, Daniel J, Scheirich, Petr, Schwartz, Stephen R, Shannon, Matthew P, Shapiro, Brett N, Shearer, Caitlin E, Smith, Evan J, Steele, R. Joshua, Steckloff, Jordan K, Stickle, Angela M, Sunshine, Jessica M, Superfin, Emil A, Tarzi, Zahi B, Thomas, Cristina A, Thomas, Justin R, Trigo-Rodríguez, Josep M, Tropf, B. Teresa, Vaughan, Andrew T, Velez, Dianna, Waller, C. Dany, Wilson, Daniel S, Wortman, Kristin A, Zhang, Yun

“…While no known asteroid poses a threat to Earth for at least the next century, the catalog of near-Earth asteroids is incomplete for objects whose impacts…”
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