{"id":501,"date":"2018-11-09T10:09:25","date_gmt":"2018-11-09T10:09:25","guid":{"rendered":"http:\/\/aptog.com\/?p=501"},"modified":"2018-11-09T10:09:25","modified_gmt":"2018-11-09T10:09:25","slug":"binary-asteroid-discovery-iau-announcement-7","status":"publish","type":"post","link":"https:\/\/aptog.com\/?p=501","title":{"rendered":"Binary asteroid discovery IAU announcement"},"content":{"rendered":"<p>IAU\u00a0CBET 4570<\/p>\n<p>(20882) 2000 VH57<br \/>\nB. D. Warner, Center for Solar System Studies (CS3), Landers, CA, USA.,<br \/>\nA. Aznar Macias, APT Observatories Group, M. Serra-Ricart and J.<br \/>\nLicandro, Instituto de Astrof\u00edsica de Canarias-IAC, and P. Pravec,<br \/>\nOndrejov Observatory report that photometric observations obtained with a<br \/>\n0.25-m telescope at the CS3 facility in Landers, CA, USA, and 0.45-m telescope<br \/>\nat the Canary Astrophysics Institute, from 2018 September 15 through October 20<br \/>\nreveal that the inner main-belt minor planet (20882) 2000 VH57 is a binary system<br \/>\nwith an orbital period of 32.81 +\/- 0.02 hr. The primary shows a period of<br \/>\n2.5586 +\/- 0.0001 hr and has a maximum lightcurve amplitude of 0.15 mag at solar<br \/>\nphase angles from 19 degrees in mid-September down to 2 degrees in mid-October.<br \/>\nThe nearly-symmetrical shape and amplitude of the lightcurve suggest that the<br \/>\nprimary shape is near spheroidal.<\/p>\n<p>2018 November 08,\u00a0 Daniel W. E. Green<\/p>\n<p>http:\/\/www.cbat.eps.harvard.edu\/cbet\/RecentCBETs.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>IAU\u00a0CBET 4570 (20882) 2000 VH57 B. D. Warner, Center for Solar System Studies (CS3), Landers, CA, USA., A. Aznar Macias, APT Observatories Group, M. Serra-Ricart and J. Licandro, Instituto de Astrof\u00edsica de Canarias-IAC, and P. Pravec, Ondrejov Observatory report that photometric observations obtained with a 0.25-m telescope at the CS3 facility in Landers, CA, USA, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-501","post","type-post","status-publish","format-standard","hentry","category-papers-and-letters"],"acf":[],"_links":{"self":[{"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=501"}],"version-history":[{"count":1,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/501\/revisions"}],"predecessor-version":[{"id":502,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/501\/revisions\/502"}],"wp:attachment":[{"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}