Detection of Rotational Acceleration of Bennu Using HST Light Curve Observations

Nolan M. C.; Howell E. S.; Scheeres D. J.; McMahon J. W.; Golubov O.; Hergenrother C. W.; Emery J. P.; Noll K. S.; Chesley S. R.; Lauretta D. S.

摘要

Abstract > We observed the near‐Earth asteroid (101955) Bennu from the ground in 1999 and 2005, and with the Hubble Space Telescope (HST) in 2012, to constrain its rotation rate. The data reveal an acceleration of 2.64? ± ?1.05?×?10 ?6 ?deg/day 2 , which could be due to a change in the moment of inertia of Bennu or to spin up from the Yarkovsky‐O'Keefe‐Radzievskii‐Paddack effect or other source of angular momentum. The best solution is within 1?σ of the period determined by Nolan et al. (2013, <url href="https://doi.org/10.1016/j.icarus.2013.05.028">https://doi.org/10.1016/j.icarus.2013.05.028</url> ). The Origins, Spectral Interpretation, Resource Identification, and Security–Regolith Explorer (OSIRIS‐REx) mission will determine the rotation state independently in 2019. Those measurements should show whether the change in rotation rate is a steady increase (due, e.g., to the Yarkovsky‐O'Keefe‐Radzievskii‐Paddack effect) or some other phenomenon. The precise shape and surface properties measured by the OSIRIS‐REx science team will allow for a better understanding of variations in rotation rate of small asteroids. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><abstract type =“main”xml：lang =“en”> <title type =“main”>抽象</ title> >我们观察到1999年和2005年的近地球小行星（101955）Bennu，与2012年哈勃太空望远镜（HST）有关，以约束其旋转率。数据显示加速2.64？ ±</ i>？1.05？×10 ？6 </ sup>？deg / day 2 </ sup>，这可能是由于Bennu惯性矩的变化或者从Yarkovsky-O'keefe-Radzievskii-Paddack效果或其他角动量来源旋转。最好的解决方案是Nolan等人确定的时间内的1？σ。（2013，<url href =“https://doi.org/10.1016/j.icarus.2013.05.028”> https://doi.org/10.1016/j.icarus.2013.05.028 </ URL>）。起源，光谱解释，资源识别和安全regolith Explorer（Osiris-rex）任务将在2019年独立地确定旋转状态。这些测量应该显示旋转速率的变化是稳定增加（例如，例如， Yarkovsky-O'Keefe-Radzievskii-Paddack效果）或其他一些现象。 Osiris-rex Science团队测量的精确形状和表面特性将允许更好地了解小小星的旋转率变化。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-23539/'>《Geophysical Research Letters》</a> <b style="margin: 0 2px;">|</b><span>2019年第4期</span><b style="margin: 0 2px;">|</b><span>共7页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Nolan M. C.&option=202" target="_blank" rel="nofollow">Nolan M. C.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Howell E. S.&option=202" target="_blank" rel="nofollow">Howell E. S.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Scheeres D. J.&option=202" target="_blank" rel="nofollow">Scheeres D. J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=McMahon J. W.&option=202" target="_blank" rel="nofollow">McMahon J. W.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Golubov O.&option=202" target="_blank" rel="nofollow">Golubov O.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Hergenrother C. W.&option=202" target="_blank" rel="nofollow">Hergenrother C. W.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Emery J. P.&option=202" target="_blank" rel="nofollow">Emery J. P.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Noll K. S.&option=202" target="_blank" rel="nofollow">Noll K. S.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chesley S. R.&option=202" target="_blank" rel="nofollow">Chesley S. R.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lauretta D. S.&option=202" target="_blank" rel="nofollow">Lauretta D. S.;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Lunar and Planetary LaboratoryUniversity of ArizonaTucson AZ USA;</p> <p>Lunar and Planetary LaboratoryUniversity of ArizonaTucson AZ USA;</p> <p>Department of Aerospace Engineering SciencesUniversity of ColoradoBoulder CO USA;</p> <p>Department of Aerospace Engineering SciencesUniversity of ColoradoBoulder CO USA;</p> <p>School of Physics and TechnologyV. N. Karazin Kharkiv National UniversityKharkiv Ukraine;</p> <p>Lunar and Planetary LaboratoryUniversity of ArizonaTucson AZ USA;</p> <p>Earth and Planetary Science Department Planetary Geosciences InstituteUniversity of TennesseeKnoxville TN USA;</p> <p>Solar System Exploration DivisionNASA Goddard Space Flight CenterGreenbelt MD USA;</p> <p>Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadena CA USA;</p> <p>Lunar and Planetary LaboratoryUniversity of ArizonaTucson AZ USA;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=asteroids&option=203" rel="nofollow">asteroids;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=YORP&option=203" rel="nofollow">YORP;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=OSIRIS‐REx&option=203" rel="nofollow">OSIRIS‐REx;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Bennu&option=203" rel="nofollow">Bennu;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Hubble Space Telescope&option=203" rel="nofollow">Hubble Space Telescope;</a> </p> <div class="translation"> 机译：小行星;Yorp;Osiris-rex;Bennu;哈勃太空望远镜; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704019852233.html">Detection of Rotational Acceleration of Bennu Using HST Light Curve Observations</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Nolan M. 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<b>[C]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=卢秀和&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 卢秀和</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=韩顺杰&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,韩顺杰</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=侯云海&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,侯云海</a> <span> <a href="/conference-cn-29250/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 第二届制造业自动化与信息化学术会议 </a> <span> <span> . 2003</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020314939840.html">基于旋转角加速度传感器的电力拖动系统扭振检测及电机扭振抑制方法研究</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=赵浩&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 赵浩</a> <span> . 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<span>机译：用于从平面外的MEMS装置确定加速度和旋转的系统和方法，其能够独立于旋转检测来测量加速度检测 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130433532193.html">DETECTION SYSTEM OF VELOCITY/ACCELERATION OF ROTATION WHEEL, AND CALCULATING METHOD OF VELOCITY/ACCELERATION OF ROTATION WHEEL</a> <b>[P]</b> . <span> 外国专利：  JP2008051815A </span> <span> . 2008-03-06</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：旋转车轮速度/加速度检测系统及旋转车轮速度/加速度的计算方法 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130436640026.html">Method for regulation of operation of internal combustion engine, involves obtaining index for current combustion condition of internal combustion engine from rotational speed acceleration as observation window of crankshaft angle</a> <b>[P]</b> . <span> 外国专利：  DE102005006997A1 </span> <span> . 2006-08-24</span> 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