{"id":2748,"date":"2022-01-24T04:57:13","date_gmt":"2022-01-24T09:57:13","guid":{"rendered":"https:\/\/www.space-data.org\/sda\/?p=2748"},"modified":"2022-01-24T04:57:55","modified_gmt":"2022-01-24T09:57:55","slug":"sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety","status":"publish","type":"post","link":"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/","title":{"rendered":"SDA and COMSPOC work together to produce relevant analysis of LEO safety"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.0.3&#8243;][et_pb_row _builder_version=&#8221;4.0.3&#8243;][et_pb_column _builder_version=&#8221;4.0.3&#8243; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.0.3&#8243; hover_enabled=&#8221;0&#8243;]<\/p>\n<p><span>In this statistical study conducted by Dan Oltrogge (SDC Project Manager), Pascal Wauthier (SDA Chairman) et al, historical data collected by SDC and SOCRATES were analyzed to characterize increases in the rate of close approaches in LEO. <\/span><\/p>\n<p><span>While the SDC and SOCRATES databases have sampling limitations in terms of altitude and population representativeness, they are a good source for such research since they keep data for several years.\u00a0 Also, the SDC contains orbital data provided by spacecraft operators and normalized by the SDC system and as such has data that is realistic and reliable.<\/span><\/p>\n<p><span>The authors also employed COMSPOC\u2019s Number of Encounter Analysis Tool (<a href=\"https:\/\/comspoc.com\/neat\/\">NEAT<\/a>) to compute a long-term probability of encounter in LEO.\u00a0 All data were normalized to 1 km proximity and numbers of encounter per month. <\/span><\/p>\n<p><span>In doing so, they found that in 2017 SOCRATES and SDC archived data maps to approximately 1400 and 2400 close approaches below 1 km per month, respectively. \u00a0In contrast, these systems indicate in 2021 there may be as many as \u00a06000 close approaches for the same criteria. The situation may be even more critical in regions where large constellations such as Starlink reside. <\/span><\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.space-data.org\/sda\/wp-content\/uploads\/2022\/01\/sda.png&#8221; _builder_version=&#8221;4.0.3&#8243; align=&#8221;center&#8221; hover_enabled=&#8221;0&#8243;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.0.3&#8243; hover_enabled=&#8221;0&#8243;]<\/p>\n<p><span>This study demonstrates the importance of having a more robust SSA system that works to collaboratively fuse data to guarantee realistic and reliable close approach predictions and information to properly assess critical situations. <\/span><\/p>\n<p><span>See more details <\/span><span><a href=\"https:\/\/comspoc.com\/Resources\/Papers\/20211029_Eval_of_LEO_Conj_Rates_IAC_Dubai_PREPRINT.pdf\">here<\/a><\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this statistical study conducted by Dan Oltrogge (SDC Project Manager), Pascal Wauthier (SDA Chairman) et al, historical data collected by SDC and SOCRATES were analyzed to characterize increases in the rate of close approaches in LEO. While the SDC and SOCRATES databases have sampling limitations in terms of altitude and population representativeness, they are a good source for such research since they keep data for several years.\u00a0 Also, the SDC contains orbital data provided by spacecraft operators and normalized by the SDC system and as such has data that is realistic and reliable. The authors also employed COMSPOC\u2019s Number of Encounter Analysis Tool (NEAT) to compute a long-term probability of encounter in LEO.\u00a0 All data were normalized to 1 km proximity and numbers of encounter per month. In doing so, they found that in 2017 SOCRATES and SDC archived data maps to approximately 1400 and 2400 close approaches below 1 km per month, respectively. \u00a0In contrast, these systems indicate in 2021 there may be as many as \u00a06000 close approaches for the same criteria. The situation may be even more critical in regions where large constellations such as Starlink reside. This study demonstrates the importance of having a more [&hellip;]<\/p>\n","protected":false},"author":48,"featured_media":2645,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":""},"categories":[36],"tags":[],"class_list":["post-2748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SDA and COMSPOC work together to produce relevant analysis of LEO safety - Space Data Association<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SDA and COMSPOC work together to produce relevant analysis of LEO safety - Space Data Association\" \/>\n<meta property=\"og:description\" content=\"In this statistical study conducted by Dan Oltrogge (SDC Project Manager), Pascal Wauthier (SDA Chairman) et al, historical data collected by SDC and SOCRATES were analyzed to characterize increases in the rate of close approaches in LEO. While the SDC and SOCRATES databases have sampling limitations in terms of altitude and population representativeness, they are a good source for such research since they keep data for several years.\u00a0 Also, the SDC contains orbital data provided by spacecraft operators and normalized by the SDC system and as such has data that is realistic and reliable. The authors also employed COMSPOC\u2019s Number of Encounter Analysis Tool (NEAT) to compute a long-term probability of encounter in LEO.\u00a0 All data were normalized to 1 km proximity and numbers of encounter per month. In doing so, they found that in 2017 SOCRATES and SDC archived data maps to approximately 1400 and 2400 close approaches below 1 km per month, respectively. \u00a0In contrast, these systems indicate in 2021 there may be as many as \u00a06000 close approaches for the same criteria. The situation may be even more critical in regions where large constellations such as Starlink reside. This study demonstrates the importance of having a more [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/\" \/>\n<meta property=\"og:site_name\" content=\"Space Data Association\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-24T09:57:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-01-24T09:57:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.space-data.org\/sda\/wp-content\/uploads\/2021\/10\/Featured-Image-1024x625.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"625\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Helen Weedon\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SDAspacedata\" \/>\n<meta name=\"twitter:site\" content=\"@SDAspacedata\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Helen Weedon\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/\"},\"author\":{\"name\":\"Helen Weedon\",\"@id\":\"https:\/\/www.space-data.org\/sda\/#\/schema\/person\/715365f5e33f4a1bb8f8f71ba3553301\"},\"headline\":\"SDA and COMSPOC work together to produce relevant analysis of LEO safety\",\"datePublished\":\"2022-01-24T09:57:13+00:00\",\"dateModified\":\"2022-01-24T09:57:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/\"},\"wordCount\":303,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.space-data.org\/sda\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.space-data.org\/sda\/wp-content\/uploads\/2021\/10\/Featured-Image.png\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/\",\"url\":\"https:\/\/www.space-data.org\/sda\/blog\/sda-and-comspoc-work-together-to-produce-relevant-analysis-of-leo-safety\/\",\"name\":\"SDA and COMSPOC work together to produce relevant analysis of LEO safety - 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