{"id":279,"date":"2022-05-20T00:07:59","date_gmt":"2022-05-20T00:07:59","guid":{"rendered":"https:\/\/lassonde.yorku.ca\/cress\/?page_id=279"},"modified":"2023-05-26T15:08:25","modified_gmt":"2023-05-26T15:08:25","slug":"osiris-rex","status":"publish","type":"page","link":"https:\/\/lassonde.yorku.ca\/cress\/space-missions\/osiris-rex\/","title":{"rendered":"OSIRIS-REx"},"content":{"rendered":"\n<p class=\"has-text-align-left\">The OSIRIS-REx Laser Altimeter was the Canadian contribution to this NASA mission to study and sample the near-Earth asteroid (101955) Bennu.  Details of the overall mission can be found at <a href=\"http:\/\/asteroidmission.org\">asteroidmission.org<\/a>. The mission was launched from Space Launch Complex 41 on Thursday, Sept. 8, 2016 at Cape Canaveral Air Force Station in Florida 2016 by a United Launch Alliance Atlas V rocket.<\/p>\n\n\n\n<p class=\"has-text-align-left\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1772\" class=\"wp-image-307\" style=\"width: 1200px\" src=\"https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/28929096574_85a647dc8e_o-scaled.jpg\" alt=\"\" srcset=\"https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/28929096574_85a647dc8e_o-scaled.jpg 2560w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/28929096574_85a647dc8e_o-300x208.jpg 300w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/28929096574_85a647dc8e_o-1024x709.jpg 1024w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/28929096574_85a647dc8e_o-768x532.jpg 768w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n\n\n\n<p>The OSIRIS-REx Laser Altimeter consists of two assemblies connected by an electrical cable.  The leftmost assembly contains power conversion, computer and timing circuitry.  the rightmost assembly contains the two lasers, the two-axis scanning mirror and the optical detectors.  Details of the instrument may be found in <strong><em><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s11214-017-0375-3\">The OSIRIS-REx laser altimeter (OLA) investigation and instrument<\/a><\/em><\/strong>.<img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1706\" class=\"wp-image-320\" style=\"width: 1200px\" src=\"https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-scaled.jpg\" alt=\"\" srcset=\"https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-scaled.jpg 2560w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-300x200.jpg 300w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-1024x682.jpg 1024w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-768x512.jpg 768w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-391x260.jpg 391w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-1536x1023.jpg 1536w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-2048x1365.jpg 2048w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-1920x1279.jpg 1920w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-1200x800.jpg 1200w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/olaflighthardware-2_copy-600x400.jpg 600w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n\n\n\n<p>The spacecraft rendezvoused with Bennu in December 2019 and OLA was initially operated.  The instrument was extremely successful and more than fulfilled its major mission goals by August 2020.  The details of the approach for processing the OLA data are detailed in <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0032063318303805\">Digital terrain mapping by the OSIRIS-REx mission<\/a> and in <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0032063318304471\">Global shape modeling using the OSIRIS-REx scanning Laser Altimeter<\/a>.<\/p>\n\n\n\n<p>The shape model produced using OLA data provided a backbone for interpreting datasets from other instruments. As an example, the November 2020 issue of science has a number of manuscripts that use OLA data and a cover image.<img loading=\"lazy\" decoding=\"async\" width=\"1650\" height=\"2100\" class=\"wp-image-329\" style=\"width: 1200px\" src=\"https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/Science_1106Cover_1199087035409.png\" alt=\"\" srcset=\"https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/Science_1106Cover_1199087035409.png 1650w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/Science_1106Cover_1199087035409-236x300.png 236w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/Science_1106Cover_1199087035409-805x1024.png 805w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/Science_1106Cover_1199087035409-768x977.png 768w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/Science_1106Cover_1199087035409-1207x1536.png 1207w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/Science_1106Cover_1199087035409-1609x2048.png 1609w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/Science_1106Cover_1199087035409-1200x1527.png 1200w, https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/Science_1106Cover_1199087035409-600x764.png 600w\" sizes=\"auto, (max-width: 1650px) 100vw, 1650px\" \/><\/p>\n\n\n\n<p>The movie below was created using the OLA model (degraded resolution for the web) with a uniform albedo and rendered with shadows to highlight the topographic relief.<img decoding=\"async\" class=\"wp-image-334\" style=\"width: 1200px\" src=\"https:\/\/lassonde.yorku.ca\/cress\/wp-content\/uploads\/sites\/13\/2022\/05\/reversed480.mov\" alt=\"\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Selected Manuscripts<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s11214-017-0405-1\" target=\"_blank\" rel=\"noreferrer noopener\">OSIRIS-REx: sample return from asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41586-019-1033-6\" target=\"_blank\" rel=\"noreferrer noopener\">The unexpected surface of asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41550-019-0722-2\" target=\"_blank\" rel=\"noreferrer noopener\">Evidence for widespread hydrated minerals on asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41550-019-0731-1\" target=\"_blank\" rel=\"noreferrer noopener\">Properties of rubble-pile asteroid (101955) Bennu from OSIRIS-REx imaging and thermal analysis<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41561-019-0326-6\" target=\"_blank\" rel=\"noreferrer noopener\">Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41561-019-0330-x\" target=\"_blank\" rel=\"noreferrer noopener\">Shape of (101955) Bennu indicative of a rubble pile with internal stiffness<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41550-019-0721-3\" target=\"_blank\" rel=\"noreferrer noopener\">The dynamic geophysical environment of (101955) Bennu based on OSIRIS-REx measurements<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.science.org\/doi\/abs\/10.1126\/science.aay3544\" target=\"_blank\" rel=\"noreferrer noopener\">Episodes of particle ejection from the surface of the active asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0019103516300598\" target=\"_blank\" rel=\"noreferrer noopener\">The geophysical environment of Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s11214-017-0375-3\" target=\"_blank\" rel=\"noreferrer noopener\">The OSIRIS-REx laser altimeter (OLA) investigation and instrument<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0032063318303805\" target=\"_blank\" rel=\"noreferrer noopener\">Digital terrain mapping by the OSIRIS-REx mission<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/abstract\/document\/7943684\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lessons learned from OSIRIS-Rex autonomous navigation using natural feature tracking<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.science.org\/doi\/abs\/10.1126\/science.abc3660\" target=\"_blank\" rel=\"noreferrer noopener\">Variations in color and reflectance on the surface of asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.science.org\/doi\/abs\/10.1126\/sciadv.abc3699\" target=\"_blank\" rel=\"noreferrer noopener\">Asteroid (101955) Bennu\u2019s weak boulders and thermally anomalous equator<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.science.org\/doi\/abs\/10.1126\/science.abc3557\" target=\"_blank\" rel=\"noreferrer noopener\">Bright carbonate veins on asteroid (101955) Bennu: Implications for aqueous alteration history<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/abs\/10.1029\/2020JE006475\" target=\"_blank\" rel=\"noreferrer noopener\">Global patterns of recent mass movement on asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41550-020-1195-z\" target=\"_blank\" rel=\"noreferrer noopener\">Exogenic basalt on asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0019103520300816\" target=\"_blank\" rel=\"noreferrer noopener\">A high-resolution global basemap of (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.science.org\/doi\/abs\/10.1126\/sciadv.abd3649\" target=\"_blank\" rel=\"noreferrer noopener\">Hemispherical differences in the shape and topography of asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.science.org\/doi\/abs\/10.1126\/sciadv.abc3350\" target=\"_blank\" rel=\"noreferrer noopener\">Heterogeneous mass distribution of the rubble-pile asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41586-020-2846-z\" target=\"_blank\" rel=\"noreferrer noopener\">Bennu\u2019s near-Earth lifetime of 1.75 million years inferred from craters on its boulders<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0019103520301159\" target=\"_blank\" rel=\"noreferrer noopener\">Disk-resolved photometric modeling and properties of asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0019103522001099\" target=\"_blank\" rel=\"noreferrer noopener\">Global geologic map of asteroid (101955) Bennu indicates heterogeneous resurfacing in the past 500,000 years<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s11214-022-00887-2\" target=\"_blank\" rel=\"noreferrer noopener\">Assessing the Sampleability of Bennu\u2019s Surface for the OSIRIS-REx Asteroid Sample Return Mission<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/PSJ\/ac5183\/meta\" target=\"_blank\" rel=\"noreferrer noopener\">Autonomous Navigation Performance Using Natural Feature Tracking during the OSIRIS-REx Touch-and-Go Sample Collection Event<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/PSJ\/ac46d2\/meta\" target=\"_blank\" rel=\"noreferrer noopener\">Quality Assessment of Stereophotoclinometry as a Shape Modeling Method Using a Synthetic Asteroid<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/PSJ\/ac460f\/meta\" target=\"_blank\" rel=\"noreferrer noopener\">Practical Stereophotoclinometry for Modeling Shape and Topography on Planetary Missions<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/PSJ\/ac5184\/meta\" target=\"_blank\" rel=\"noreferrer noopener\">The use of digital terrain models for natural feature tracking at asteroid Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/PSJ\/ac5182\/meta\" target=\"_blank\" rel=\"noreferrer noopener\">Ground Testing of Digital Terrain Models to Prepare for OSIRIS-REx Autonomous Vision Navigation Using Natural Feature Tracking<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0019103522001701\">The morphometry of sm<\/a><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0019103522001701\" target=\"_blank\" rel=\"noreferrer noopener\">a<\/a><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0019103522001701\">ll impact craters on Bennu: Relationships to geologic units, boulders, and impact armoring<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41561-022-00914-5\" target=\"_blank\" rel=\"noreferrer noopener\">Crater population on asteroid (101955) Bennu indicates impact armouring and a young surface<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/PSJ\/ac5597\/meta\" target=\"_blank\" rel=\"noreferrer noopener\">Geologic Context of the OSIRIS-REx Sample Site from High-resolution Topography and Imaging<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/abs\/10.1029\/2021JE006927\" target=\"_blank\" rel=\"noreferrer noopener\">The Formation of Terraces on Asteroid (101955) Bennu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2022pdss.data....5D\/abstract\" target=\"_blank\" rel=\"noreferrer noopener\">OSIRIS-REx Laser Altimeter (OLA) Bundle 4.0<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The OSIRIS-REx Laser Altimeter was the Canadian contribution to this NASA mission to study and sample the near-Earth asteroid (101955) Bennu. Details of the overall mission can be found at asteroidmission.org. The mission was launched from Space Launch Complex 41 on Thursday, Sept. 8, 2016 at Cape Canaveral Air Force Station in Florida 2016 by&#8230;<\/p>\n","protected":false},"author":28,"featured_media":289,"parent":15,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-279","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OSIRIS-REx - Centre for Research in Earth and Space Science<\/title>\n<meta name=\"description\" content=\"Researchers at CRESS led the Canadian instrument contribution to NASA&#039;s OSIRIS-REx mission to asteroid Bennu.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lassonde.yorku.ca\/cress\/space-missions\/osiris-rex\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OSIRIS-REx - 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