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The Minor planet bulletin最新文献

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NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT THE CENTER FOR SOLAR SYSTEM STUDIES: 2019 MARCH-JULY. 太阳系研究中心近地小行星光曲线分析:2019年3月至7月。
The Minor planet bulletin Pub Date : 2019-10-01
Brian D Warner, Robert D Stephens
{"title":"NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT THE CENTER FOR SOLAR SYSTEM STUDIES: 2019 MARCH-JULY.","authors":"Brian D Warner,&nbsp;Robert D Stephens","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Lightcurves for 38 near-Earth asteroids (NEAs) obtained at the Center for Solar System Studies (CS3) from 2019 March-July were analyzed for rotation period, peak-to-peak amplitude, and signs of satellites or tumbling.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 4","pages":"423-438"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7192033/pdf/nihms-1570227.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37890419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MAIN-BELT ASTEROIDS OBSERVED FROM CS3: 2019 APRIL TO JUNE. 从cs3: 2019 4月到6月观测到的主带小行星。
The Minor planet bulletin Pub Date : 2019-10-01
Robert D Stephens, Brian D Warner
{"title":"MAIN-BELT ASTEROIDS OBSERVED FROM CS3: 2019 APRIL TO JUNE.","authors":"Robert D Stephens,&nbsp;Brian D Warner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>CCD photometric observations of 19 main-belt asteroids were obtained at the Center for Solar System Studies (CS3) from 2019 April to June.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 4","pages":"449-456"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7192032/pdf/nihms-1570229.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37890420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LIGHTCURVE ANALYSIS OF HILDA ASTEROIDS AT THE CENTER FOR SOLAR SYSTEM STUDIES: 2019 JANUARY-MARCH. 太阳系研究中心对希尔达小行星的光曲线分析：2019年1月-3月
The Minor planet bulletin Pub Date : 2019-07-01
Brian D Warner, Robert D Stephens
{"title":"LIGHTCURVE ANALYSIS OF HILDA ASTEROIDS AT THE CENTER FOR SOLAR SYSTEM STUDIES: 2019 JANUARY-MARCH.","authors":"Brian D Warner, Robert D Stephens","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>CCD photometric observations of three Hilda asteroids were made at the Center for Solar System Studies (CS3) from 2019 January-March. For 1038 Tuckia, the period solution was ambiguous at either <i>P</i> = 18.020 h, amplitude 0.22 mag or <i>P</i> = 14.401 h, amplitude 0.20 mag. For 2246 Bowell, the analysis found <i>P</i> = 4.997 and amplitude 0.46 mag. For 4317 Garibaldi, we found a dual-period solution with <i>P<sub>1</sub></i> = 17.843 or 8.92 h and <i>P<sub>2</sub></i> = 11.426 h. The shorter value for <i>P<sub>1</sub></i> is similar to previously reported results but this is the first time a true dual-period solution, i.e., not an ambiguous single period solution, has been reported.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 3","pages":"294-297"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7192039/pdf/nihms-1570187.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37890415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NEAR-EARTH ASTEROID (152931) 2000 EA107: A PROBABLE BINARY. 近地小行星(152931)2000 ea107:一个可能的双星。
The Minor planet bulletin Pub Date : 2019-07-01
Robert D Stephens, Brian D Warner
{"title":"NEAR-EARTH ASTEROID (152931) 2000 EA107: A PROBABLE BINARY.","authors":"Robert D Stephens,&nbsp;Brian D Warner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>CCD photometric observations of the near-Earth asteroid (152931) 2000 EA107 were made in 2019 March and April at the Center for Solar System Studies (CS3). Analysis of the data found that the asteroid is likely a binary. The primary period is <i>P</i> <sub><i>1</i></sub> = 4.1367 ± 0.0002 h with a lightcurve amplitude of <i>A</i> <sub><i>1</i></sub> = 0.29 ± 0.02 mag. The secondary period is <i>P</i> <sub><i>2</i></sub> = 16.079 ± 0.006 h with a lightcurve amplitude of <i>A</i> <sub><i>2</i></sub> = 0.16 ± 0.01 mag. No mutual events (occultations and/or eclipses) were seen to confirm the presence of a satellite.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 3","pages":"302-303"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7192037/pdf/nihms-1570191.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37890416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MAIN-BELT ASTEROIDS OBSERVED FROM CS3: 2019 JANUARY - MARCH. 从cs3: 2019观测到的主带小行星。
The Minor planet bulletin Pub Date : 2019-07-01
Robert D Stephens, Brian D Warner
{"title":"MAIN-BELT ASTEROIDS OBSERVED FROM CS3: 2019 JANUARY - MARCH.","authors":"Robert D Stephens,&nbsp;Brian D Warner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>CCD photometric observations of 10 main-belt asteroids were obtained from the Center for Solar System Studies from 2019 January to March. In light of recent period analysis, images of 2120 Tyumenia obtained in 2004 were re-examined. The resulting analysis found a period of 17.515 h, which is consistent with the recent results.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 3","pages":"298-301"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7243857/pdf/nihms-1570189.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37975275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LIGHTCURVE ANALYSIS OF L5 TROJAN ASTERIODS AT THE CENTER FOR SOLAR SYSTEM STUDIES: 2019 JANUARY TO MARCH. 太阳系研究中心 L5 特洛伊小行星光曲线分析：2019年1月至3月
The Minor planet bulletin Pub Date : 2019-07-01
Robert D Stephens, Brian D Warner
{"title":"LIGHTCURVE ANALYSIS OF L5 TROJAN ASTERIODS AT THE CENTER FOR SOLAR SYSTEM STUDIES: 2019 JANUARY TO MARCH.","authors":"Robert D Stephens, Brian D Warner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Lightcurves for four L<sub>5</sub> Jovian Trojan asteroids were obtained at the Center for Solar System Studies (CS3) from 2019 January to March. The suspected binary Trojan, 2207 Antenor was observed again and a single attenuation event was detected.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 3","pages":"315-317"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7243832/pdf/nihms-1570202.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37975276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LIGHTCURVE PHOTOMETRY OPPORTUNITIES: 2019 JULY-SEPTEMBER. Lightcurve测光机会:2019年7 - 9月。
The Minor planet bulletin Pub Date : 2019-07-01
Brian D Warner, Alan W Harris, Josef Ďurech, Lance A M Benner
{"title":"LIGHTCURVE PHOTOMETRY OPPORTUNITIES: 2019 JULY-SEPTEMBER.","authors":"Brian D Warner,&nbsp;Alan W Harris,&nbsp;Josef Ďurech,&nbsp;Lance A M Benner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>We present lists of asteroid photometry opportunities for objects reaching a favorable apparition and have no or poorly-defined lightcurve parameters. Additional data on these objects will help with shape and spin axis modeling via lightcurve inversion. We also include lists of objects that will or might be radar targets. Lightcurves for these objects can help constrain pole solutions and/or remove rotation period ambiguities that might not come from using radar data alone.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 3","pages":"365-371"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7243826/pdf/nihms-1570203.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37975278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
(12538) 1998 OH: A CONTINUING NON-RESOLUTION. (12538) 1998哦:持续的非决议。
The Minor planet bulletin Pub Date : 2019-04-01
Brian D Warner
{"title":"(12538) 1998 OH: A CONTINUING NON-RESOLUTION.","authors":"Brian D Warner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>CCD photometric observations at the Center for Solar System Studies (CS3) were made of the near-Earth asteroid (12538) 1998 OH in 2018 November. The goal was to find a secure period and so resolve ambiguous solutions from previous years. Final analysis of the 2018 data found that it is anything but ordinary. One possibility is that it is a low-amplitude, fast-rotating tumbler. The other, more exotic, <i>possibility</i> is that it <i>may</i> be an asteroid pair in the making, i.e., the two fast-rotating components have not yet broken their mutual bond. Future observations may show that one of these, or yet another solution, correctly describes the asteroid.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 2","pages":"157-160"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7192041/pdf/nihms-1570180.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37890470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ANOTHER TRIO OF POSSIBLE VERY WIDE BINARY ASTEROIDS. 另三颗可能的超宽双小行星。
The Minor planet bulletin Pub Date : 2019-04-01
Brian D Warner, Robert D Stephens
{"title":"ANOTHER TRIO OF POSSIBLE VERY WIDE BINARY ASTEROIDS.","authors":"Brian D Warner, Robert D Stephens","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Lightcurve analysis of the near-Earth asteroids (442742) 2012 WP3, (523604) 2004 QB17, and 2018 RL indicate that they are potential members of a relatively rare class of \"very wide binary asteroids.\" These objects feature a primary rotational period of tens to hundreds of hours and a secondary rotational period less than 24 hours, usually less than 10 hours. These three bring to 30 the number of suspected members of the class.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 2","pages":"153-157"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7192042/pdf/nihms-1570179.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37890469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LIGHTCURVE ANALYSIS OF HILDA ASTEROIDS AT THE CENTER FOR SOLAR SYSTEM STUDIES: 2018 SEPTEMBER-DECEMBER. 太阳系研究中心希尔达小行星的光曲线分析:2018年9月至12月。
The Minor planet bulletin Pub Date : 2019-04-01
Brian D Warner, Robert D Stephens
{"title":"LIGHTCURVE ANALYSIS OF HILDA ASTEROIDS AT THE CENTER FOR SOLAR SYSTEM STUDIES: 2018 SEPTEMBER-DECEMBER.","authors":"Brian D Warner,&nbsp;Robert D Stephens","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Lightcurves for four Hilda asteroids were obtained at the Center for Solar System Studies (CS3) from 2018 September-November: 3514 Hooke, 3557 Sokolsky, 4495 Dassanowksy, and 10331 Peterbluhm. 4495 Dassanowksy appears to be a binary asteroid with a primary period of either 2.6314 hr or 5.263 hr and an orbital period of 18.516 hr. The secondary-to-primary ratio of the effective diameters is 0.26 ± 0.02.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 2","pages":"161-163"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7243862/pdf/nihms-1570181.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37974832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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