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East Asian Meeting on Astronomy
October 14(Mon)-18(Fri), 2013
NCU, Taiwan

Poster Presentation

Broadband Photometry of asteroid 1998 QE2 (285263) during its closest approach of May-June 2013

Author(s): Zhong-Yi Lin(1), Wing-Huen Ip(1,2), Chien-Hsien Lin(2) and Fumi Yoshida(3) 1. IANC, Taiwan. 2.Space Science Institute, MUST, Macau 3. NAOJ, Japan

Presenter: Zhong-Yi Lin (IANCU)

NEA 285263(1998 QE2), hereafter QE2, was discovered on August 19, 1998, by LINEAR program. The object passed within 0.039 AU of the Earth on May 31, 2013 and has been identified as a PHA (Potentially Hazardous Asteroids). We performed photometric observations of QE2 from late May to early June 2013. The resulting rotational period of QE2 was determined to be 4.75hr. Based on our multicolor observations, we classified the QE2 into Ch-type taxonomy. In addition, we found there is no color variation throughout the entire the rotational period. This might imply the homogenous composition on QE2's surface.

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