Photometric study for near-Earth asteroid (155140) 2005 UD | |
Huang, J.-N.2,3,4; Muinonen, K.1,5; Chen, T.6; Wang XB(王晓彬)2,3,4 | |
刊名 | Planetary and Space Science |
2021-01 | |
卷号 | 195页码:9 |
关键词 | Near-earth-asteroid Photometry Shape inversion Phase functio |
ISSN号 | 0032-0633 |
DOI | 10.1016/j.pss.2020.105120 |
产权排序 | 第3完成单位 |
文献子类 | Article |
英文摘要 | The Apollo-type near-Earth asteroid (155140) 2005 UD is thought to be a member of the Phaethon-Geminid meteor stream Complex (PGC). Its basic physical parameters are important for unveiling its origin and its relationship to the other PGC members as well as to the Geminid stream. Adopting the Lommel-Seeliger ellipsoid method and H, G1, G2 phase function, we carry out spin, shape, and phase curve inversion using the photometric data of 2005 UD. The data consists of 11 new lightcurves, 3 lightcurves downloaded from the Minor Planet Center, and 288 sparse data points downloaded from the Zwicky Transient Facility database. As a result, we derive the pole solution of (285∘.8−5.3+1.1, −25∘.8−12.5+5.3) in the ecliptic frame of J2000.0 with the rotational period of 5.2340−0.00001+0.00004 h. The corresponding triaxial shape (semiaxes a > b > c) is estimated as b/a=0.76−0.01+0.01 and c/a=0.40−0.01+0.03. Using the calibrated photometric data of 2005 UD, the phase function parameters H, G1, G2 are estimated as 17.22−0.03+0.03 mag, 0.61−0.02+0.02, and −0.006−0.006+0.006, respectively. Correspondingly, the phase integral q, photometric phase coefficient k, and the enhancement factor ζ are 0.2508, −1.9224, and 1.6642. From the values of G1 and G2, 2005 UD is likely to be a C-type asteroid. We estimate the equivalent diameter of 2005 UD from the new H-value: it is 1.28 ± 0.02 km using its new geometric albedo of 0.14. |
学科主题 | 天文学 ; 太阳与太阳系 |
URL标识 | 查看原文 |
出版地 | THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND |
资助项目 | National Natural Science Foundation of China[11073051] ; National Natural Science Foundation of China[11673063] ; Academy of Finland[325805] ; Asteroid Terrestrial-impact Last Alert System [ATLAS] project[NN12AR55G] ; Asteroid Terrestrial-impact Last Alert System [ATLAS] project[80NSSC18K0284] ; Asteroid Terrestrial-impact Last Alert System [ATLAS] project[80NSSC18K1575] |
WOS关键词 | PARAMETERS |
WOS研究方向 | Astronomy & Astrophysics |
语种 | 英语 |
出版者 | PERGAMON-ELSEVIER SCIENCE LT |
WOS记录号 | WOS:000603484800002 |
资助机构 | National Natural Science Foundation of China[11073051, 11673063] ; Academy of Finland[325805] ; Asteroid Terrestrial-impact Last Alert System [ATLAS] project[NN12AR55G, 80NSSC18K0284, 80NSSC18K1575] |
内容类型 | 期刊论文 |
源URL | [http://ir.ynao.ac.cn/handle/114a53/23851] |
专题 | 云南天文台_系外行星研究组 |
通讯作者 | Wang XB(王晓彬) |
作者单位 | 1.Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2, P.O. Box 64, Helsinki, FI-00014 U, Finland 2.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, China 3.School of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China 4.Key Laboratory for Structure and Evolution of Celestial Objects, CAS, Kunming, 650216, China 5.innish Geospatial Research Institute, Geodeetinrinne 2, Masala, FI-02430, Finland 6.Corona Borealis Observatiories, Ali, China |
推荐引用方式 GB/T 7714 | Huang, J.-N.,Muinonen, K.,Chen, T.,et al. Photometric study for near-Earth asteroid (155140) 2005 UD[J]. Planetary and Space Science,2021,195:9. |
APA | Huang, J.-N.,Muinonen, K.,Chen, T.,&Wang XB.(2021).Photometric study for near-Earth asteroid (155140) 2005 UD.Planetary and Space Science,195,9. |
MLA | Huang, J.-N.,et al."Photometric study for near-Earth asteroid (155140) 2005 UD".Planetary and Space Science 195(2021):9. |
个性服务 |
查看访问统计 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论