2021 KZ2

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O:8:”stdClass”:9:{s:2:”id”;s:8:”54151573″;s:12:”reference_id”;s:8:”54151573″;s:4:”name”;s:8:”2021 KZ2″;s:6:”posted”;s:10:”2023-05-22″;s:7:”jpl_url”;s:46:”http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=54151573″;s:9:”magnitude”;d:25.24;s:8:”diameter”;O:8:”stdClass”:4:{s:10:”kilometers”;a:2:{s:22:”estimated_diameter_min”;d:0.0237987955;s:22:”estimated_diameter_max”;d:0.0532157244;}s:6:”meters”;a:2:{s:22:”estimated_diameter_min”;d:23.7987954683;s:22:”estimated_diameter_max”;d:53.2157244498;}s:5:”miles”;a:2:{s:22:”estimated_diameter_min”;d:0.0147878813;s:22:”estimated_diameter_max”;d:0.0330667079;}s:4:”feet”;a:2:{s:22:”estimated_diameter_min”;d:78.0800401242;s:22:”estimated_diameter_max”;d:174.5922774037;}}s:9:”hazardous”;b:0;s:13:”approach_data”;O:8:”stdClass”:6:{s:19:”close_approach_date”;s:10:”2023-05-22″;s:24:”close_approach_date_full”;s:17:”2023-May-22 21:21″;s:25:”epoch_date_close_approach”;i:1684790460000;s:17:”relative_velocity”;a:3:{s:21:”kilometers_per_second”;s:13:”11.5185062037″;s:19:”kilometers_per_hour”;s:15:”41466.622333262″;s:14:”miles_per_hour”;s:16:”25765.7465270205″;}s:13:”miss_distance”;a:4:{s:12:”astronomical”;s:11:”0.176404009″;s:5:”lunar”;s:12:”68.621159501″;s:10:”kilometers”;s:17:”26389664.00586083″;s:5:”miles”;s:18:”16397776.838226254″;}s:13:”orbiting_body”;s:5:”Earth”;}}