2018 HK

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O:8:”stdClass”:9:{s:2:”id”;s:7:”3803904″;s:12:”reference_id”;s:7:”3803904″;s:4:”name”;s:7:”2018 HK”;s:6:”posted”;s:10:”2023-04-04″;s:7:”jpl_url”;s:45:”http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3803904″;s:9:”magnitude”;d:21.45;s:8:”diameter”;O:8:”stdClass”:4:{s:10:”kilometers”;a:2:{s:22:”estimated_diameter_min”;d:0.1363185559;s:22:”estimated_diameter_max”;d:0.3048175575;}s:6:”meters”;a:2:{s:22:”estimated_diameter_min”;d:136.3185558649;s:22:”estimated_diameter_max”;d:304.8175575085;}s:5:”miles”;a:2:{s:22:”estimated_diameter_min”;d:0.0847043974;s:22:”estimated_diameter_max”;d:0.1894047905;}s:4:”feet”;a:2:{s:22:”estimated_diameter_min”;d:447.2393708238;s:22:”estimated_diameter_max”;d:1000.0576353763;}}s:9:”hazardous”;b:0;s:13:”approach_data”;O:8:”stdClass”:6:{s:19:”close_approach_date”;s:10:”2023-04-04″;s:24:”close_approach_date_full”;s:17:”2023-Apr-04 21:18″;s:25:”epoch_date_close_approach”;i:1680643080000;s:17:”relative_velocity”;a:3:{s:21:”kilometers_per_second”;s:13:”20.2900841121″;s:19:”kilometers_per_hour”;s:16:”73044.3028036615″;s:14:”miles_per_hour”;s:16:”45386.8891504196″;}s:13:”miss_distance”;a:4:{s:12:”astronomical”;s:12:”0.2766471965″;s:5:”lunar”;s:14:”107.6157594385″;s:10:”kilometers”;s:18:”41385831.337871455″;s:5:”miles”;s:18:”25715963.128297879″;}s:13:”orbiting_body”;s:5:”Earth”;}}