2021 YB

Home

O:8:”stdClass”:9:{s:2:”id”;s:8:”54231259″;s:12:”reference_id”;s:8:”54231259″;s:4:”name”;s:7:”2021 YB”;s:6:”posted”;s:10:”2023-02-14″;s:7:”jpl_url”;s:46:”http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=54231259″;s:9:”magnitude”;d:27.52;s:8:”diameter”;O:8:”stdClass”:4:{s:10:”kilometers”;a:2:{s:22:”estimated_diameter_min”;d:0.0083282735;s:22:”estimated_diameter_max”;d:0.0186225856;}s:6:”meters”;a:2:{s:22:”estimated_diameter_min”;d:8.3282734552;s:22:”estimated_diameter_max”;d:18.6225855811;}s:5:”miles”;a:2:{s:22:”estimated_diameter_min”;d:0.0051749476;s:22:”estimated_diameter_max”;d:0.0115715346;}s:4:”feet”;a:2:{s:22:”estimated_diameter_min”;d:27.3237326829;s:22:”estimated_diameter_max”;d:61.0977236779;}}s:9:”hazardous”;b:0;s:13:”approach_data”;O:8:”stdClass”:6:{s:19:”close_approach_date”;s:10:”2023-02-14″;s:24:”close_approach_date_full”;s:17:”2023-Feb-14 23:30″;s:25:”epoch_date_close_approach”;i:1676417400000;s:17:”relative_velocity”;a:3:{s:21:”kilometers_per_second”;s:12:”4.2860353387″;s:19:”kilometers_per_hour”;s:16:”15429.7272194787″;s:14:”miles_per_hour”;s:15:”9587.4324492366″;}s:13:”miss_distance”;a:4:{s:12:”astronomical”;s:12:”0.1453652095″;s:5:”lunar”;s:13:”56.5470664955″;s:10:”kilometers”;s:18:”21746325.713303765″;s:5:”miles”;s:18:”13512540.213431357″;}s:13:”orbiting_body”;s:5:”Earth”;}}