{"id":274209,"date":"2017-02-13T06:46:08","date_gmt":"2017-02-13T10:46:08","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20170001477"},"modified":"2017-02-13T06:46:08","modified_gmt":"2017-02-13T10:46:08","slug":"time-dependence-of-collision-probabilities-during-satellite-conjunctions","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=274209","title":{"rendered":"Time Dependence of Collision Probabilities During Satellite Conjunctions"},"content":{"rendered":"<p>Abstract: The NASA Conjunction Assessment Risk Analysis (CARA) team has recently implemented updated software to calculate the probability of collision (P (sub c)) for Earth-orbiting satellites. The algorithm can employ complex dynamical models for orbital motion, and account for the effects of non-linear trajectories as well as both position and velocity uncertainties. This \u201c3D P (sub c)\u201d method entails computing a 3-dimensional numerical integral for each estimated probability. Our analysis indicates&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: The NASA Conjunction Assessment Risk Analysis (CARA) team has recently implemented updated software to calculate the probability of collision (P (sub c)) for Earth-orbiting satellites. The algorithm can employ complex dynamical models for orbital motion, and account for the effects of non-linear trajectories as well as both position and velocity uncertainties. This &ldquo;3D P (sub c)&rdquo; method entails computing a 3-dimensional numerical integral for each estimated probability. Our analysis indicates&#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-274209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/274209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=274209"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/274209\/revisions"}],"predecessor-version":[{"id":274210,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/274209\/revisions\/274210"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=274209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=274209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=274209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}