Trajectory of HAYABUSA Reentry Determined from Multisite TV Observations

Ueda Masayoshi; Shiba Yasuo; Yamamoto Masa-yuki; Fujita Kazuhisa; Watanabe Jun-ichi; Sato Mikiya; Abe Shinsuke; Kakinami Yoshihiro; Uehara Satoshi; Okamoto Sadao; Fujiwara Yasunori; Tanabe Tsutomu

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Trajectory of HAYABUSA Reentry Determined from Multisite TV Observations

机译：从多站点电视观测确定的YA矢折返轨迹

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TheasteroidexplorerHAYABUSAreenteredintotheEarth'satmosphereon2010June13.WemadesimultaneousTV(television)observationsatsevengroundsitesinordertocalculatethetrajectoriesofHAYABUSAanditssamplereturncapsule(SRC),whichbothreenteredintotheatmosphere.OurTVobservationsshowedthat,afterHAYABUSAreenteredtheatmosphere,thebeginningtimeofitslightemissiononvideowas13:51:57.4UTataheightof101.0$$pm$$0.2km.Theendtimewas13:52:42.0UTataheightof38.6$$pm$$0.2km.Theinitialvelocityatthebeginningwas12.1$$pm$$0.3kms$$^{-1}$$,andtheentryanglewas9$$^{circ}$$.AfteridentifyingSRCasseparatedlightemissionindependentofthemotherspacecraft,weanalyzedthetrajectoryofSRCfromaheightof52.9kmto35.7kmbasedonvideoimages.Theactualtrajectoryofthecapsule,determinedfromtheTVobservations,wasalmostthesameasthepredictedtrajectoryintermsoftheposition,velocity,andtime.WethencalculatedthefallspotsoftheSRCheatshieldsfromthemultisiteTVobservations.

机译：TheasteroidexplorerHAYABUSAreenteredintotheEarth'satmosphereon2010June13.WemadesimultaneousTV（电视）observationsatsevengroundsitesinordertocalculatethetrajectoriesofHAYABUSAanditssamplereturncapsule（SRC），whichbothreenteredintotheatmosphere.OurTVobservationsshowedthat，afterHAYABUSAreenteredtheatmosphere，thebeginningtimeofitslightemissiononvideowas13：51：57.4UTataheightof101.0 $$下午$$ 0.2km.Theendtimewas13：52：42.0UTataheightof38.6 $$下午$$ 0.2km.Theinitialvelocityatthebeginningwas12 0.1 $$下午$$ 0.3kms $$ ^ { - 1}。$$，andtheentryanglewas9 $$ ^ {} CIRC $$ AfteridentifyingSRCasseparatedlightemissionindependentofthemotherspacecraft，weanalyzedthetrajectoryofSRCfromaheightof52.9kmto35.7kmbasedonvideoimages.Theactualtrajectoryofthecapsule，determinedfromtheTVobservations，wasalmostthesameasthepredictedtrajectoryintermsoftheposition，速度，andtime.WethencalculatedthefallspotsoftheSRCheatshieldsfromthemultisiteTVobservations。

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《PASJ: Publications of the Astronomical Society of Japan》 |2011年第5期|共页
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Ueda Masayoshi; Shiba Yasuo; Yamamoto Masa-yuki; Fujita Kazuhisa; Watanabe Jun-ichi; Sato Mikiya; Abe Shinsuke; Kakinami Yoshihiro; Uehara Satoshi; Okamoto Sadao; Fujiwara Yasunori; Tanabe Tsutomu;
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1. Trajectory of HAYABUSA reentry determined from multisite TV observations [J] . Ueda M., Shiba Y., Yamamoto M.-Y., PASJ: Publications of the Astronomical Society of Japan . 2011,第5期

机译：根据多站点电视观测确定的HA矢折返轨迹
2. Infrasound/seismic observation of the Hayabusa reentry:Observations and preliminary results [J] . Yoshiaki Ishihara, Yoshihiro Hiramatsu, Masa-yuki Yamamoto, Earth, planets and space: EPS . 2012,第7期

机译：ab鸟折返的次声/地震观察：观测结果和初步结果
3. Infrasound/seismic observation of the Hayabusa reentry: Observations and preliminary results [J] . Yoshiaki Ishihara, Yoshihiro Hiramatsu, Masa-yuki Yamamoto, Earth, planets and space: EPS . 2012,第7期

机译：ab鸟折返的次声/地震观测：观测和初步结果
4. Hayabusa Re-entry: Trajectory Analysis and Observation Mission Design [C] . Alan M. Cassell, Michael W. Winter, Gary A. Allen, AIAA thermophysics conference . 2011

机译：ab鸟再入：轨迹分析与观测任务设计
5. Using a Two-Stage Propensity Score Matching Strategy and Multilevel Modeling to Estimate Treatment Effects in a Multisite Observational Study. [D] . Rickles, Jordan Harry. 2012

机译：在多站点观察性研究中，使用两阶段倾向得分匹配策略和多级建模来估计治疗效果。
6. As seen on TV: observational study of cardiopulmonary resuscitation in British television medical dramas [O] . P N Gordon, S Williamson, P G Lawler 1998

机译：从电视上可以看到：英国电视医疗剧中的心肺复苏的观察性研究
7. Trajectory of HAYABUSA Reentry Determined from Multisite TV Observations [O] . UEDA Masayoshi, SHIBA Yasuo, YAMAMOTO Masa-yuki, 2011

机译：从多站点电视观测确定的HA矢折返轨迹
8. Hayabusa Re-Entry: Trajectory Analysis and Observation Mission Design [R] . Cassell, A. M., Winter, M. W., Allen, G. A., 2011

机译：隼鸟再入：轨迹分析和观测任务设计

Trajectory of HAYABUSA Reentry Determined from Multisite TV Observations

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