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Time-series photometry of Earth flyby asteroid 2012 DA14
Tsuyoshi Terai, Seitaro Urakawa, Jun Takahashi +7
Context. The object 2012 DA14 is a near-Earth asteroid with a size of several tens of meters. It had approached closely the Earth on 15 February, 2013 UT, providing an opportunity…
High Ecliptic Latitude Survey for Small Main-Belt Asteroids
Tsuyoshi Terai, Jun Takahashi, Yoichi Itoh
Main-belt asteroids have been continuously colliding with one another since they were formed. Its size distribution is primarily determined by the size dependence of asteroid stren…
Visible Spectroscopic Observations of Near-Earth Object 2012 DA14
Seitaro Urakawa, Mitsugu Fujii, Hidekazu Hanayama +3
We present visible spectroscopic observations of a near-earth object (NEO) 2012 DA14. The asteroid 2012 DA14 came close to the surface of the Earth on February 15, 2013 at a distan…