{"title":"NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2015 JUNE-SEPTEMBER.","authors":"Brian D Warner","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Lightcurves for 46 near-Earth asteroids (NEAs) were obtained at the Center for Solar System Studies-Palmer Divide Station (CS3-PDS) from 2015 June-September. Four of the asteroids showed indications of non-principal axis rotation (NPAR), or tumbling, (9400) 1994 TW1, (86666) 2000 FL10, (154807) 2004 PP97, and (206378)2003 RB, but there were insufficient data for full analysis. On the other hand, 2015 JY1 is a confirmed tumbler with a dominate period of 6.442 h and a likely second period of 11.42 h. Evidence of the satellite for the known binary system (385186) 1994 AW1 was found. The estimated size ratio of Ds/Dp ≥ 0.25 is in good agreement with earlier results. A third period was also found but its origin is not confirmed.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"43 1","pages":"66-79"},"PeriodicalIF":0.0000,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7244002/pdf/nihms-1570087.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Minor planet bulletin","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Lightcurves for 46 near-Earth asteroids (NEAs) were obtained at the Center for Solar System Studies-Palmer Divide Station (CS3-PDS) from 2015 June-September. Four of the asteroids showed indications of non-principal axis rotation (NPAR), or tumbling, (9400) 1994 TW1, (86666) 2000 FL10, (154807) 2004 PP97, and (206378)2003 RB, but there were insufficient data for full analysis. On the other hand, 2015 JY1 is a confirmed tumbler with a dominate period of 6.442 h and a likely second period of 11.42 h. Evidence of the satellite for the known binary system (385186) 1994 AW1 was found. The estimated size ratio of Ds/Dp ≥ 0.25 is in good agreement with earlier results. A third period was also found but its origin is not confirmed.
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