Apophis Planetary Defense Campaign

  title={Apophis Planetary Defense Campaign},
  author={Vishnu Reddy and Michael S. P. Kelley and Jessie Dotson and Davide Farnocchia and Nicolas Erasmus and David Polishook and Joseph R. Masiero and Lance A. M. Benner and James M. Bauer and Miguel R. Alarcon and David D. Balam and Daniel Bamberger and David Bell and Fabrizio Barnardi and Terry H. Bressi and Maja Brozovi{\'c} and Melissa J. Brucker and Luca Buzzi and J. Cano and David C. Cantillo and R Cennamo and Serge Chastel and Omarov Chingis and Young‐Jun Choi and Eric Christensen and Larry Denneau and Marek Mateusz Drożdż and Leonid Vladimirovich Elenin and Orhan Erece and Laura Faggioli and Carmelo Falco and Dmitry Glamazda and Filippo Graziani and Aren N. Heinze and Matthew J. Holman and Alexander L. Ivanov and Cristovao Jacques and Petro Janse van Rensburg and Galina Kaiser and Krzysztof Kamiński and Monika Katarzyna Kamińska and Murat Kaplan and Dong-Heun Kim and Myung-Jin Kim and Cs. P. Kiss and Tatiana Kokina and Eduard Kuznetsov and Jeffrey Arthur Larsen and Hee-Jae Lee and Robert C. Lees and Julia de Le{\'o}n and Javier Licandro and Amy K. Mainzer and Anna Marciniak and Micha{\"e}l Marsset and Ronald A. Mastaler and Donovan L. Mathias and Robert S. McMillan and Hissa Medeiros and Marco Micheli and Artem Vitalevich Mokhnatkin and Hong Kyu Moon and David Morate and Shantanu P. Naidu and Alessandro Nastasi and Artem Novichonok and Waldemar Ogłoza and Andr{\'a}s P{\'a}l and Fabricio P{\'e}rez-Toledo and Alexander Perminov and Elisabeta Petrescu and Marcel Popescu and Michael T. Read and Daniel E. Reichart and Inna Reva and Dong-Goo Roh and Clemens M. Rumpf and Akash Satpathy and Sergei Schmalz and James V. Scotti and Aleksander V Serebryanskiy and Miquel Serra-Ricart and Eda Sonbas and R{\'o}bert Szak{\'a}ts and Patrick A. Taylor and John L. Tonry and Andrew F. Tubbiolo and P{\'e}ter Veres and Richard Wainscoat and Elizabeth Warner and Henry Weiland and Guy Wells and Robert Weryk and Lori Wheeler and Yulia Wiebe and Hong-Suh Yim and Michal Zejmo and A. A. Zhornichenko and Stanislaw Zola and Patrick Michel},
  journal={The Planetary Science Journal},
We describe results of a planetary defense exercise conducted during the close approach to Earth by the near-Earth asteroid (99942) Apophis during 2020 December–2021 March. The planetary defense community has been conducting observational campaigns since 2017 to test the operational readiness of the global planetary defense capabilities. These community-led global exercises were carried out with the support of NASA’s Planetary Defense Coordination Office and the International Asteroid Warning…