(66146) 1998 TU3, Orimattila, Artjärvi, Tähtikallio

66146 (1998 TU3) Filmed on a DS weekend Sunday. The Aten NEO PHA asteroid was discovered by the Linear Socorro Observatory on October 13, 1998. The name of the group is derived from the asteroid Aten (2062). The orbits of the asteroids of Athens are between Mercury and the Earth's orbit and are generally very eccentric. 66146 is 0.41Au in Perihel and 1.17Au in Aphel from the Sun. As we photographed, it was 0.2669Au from the ground. Assemble Aten with asteroid 2.86km and rotation time 2.375h / r, orbit around the sun 0.7yr. (years), S-type (Tholen Taxonomy) spectral class. Figure 1. The summary image of the movement is shown, a two-part description of the section 4 + 6 images and a break in between.
Figure 2. first image, measured 23: 53: 53UT 04h01m32.57s -04d08'45.0 "13.3mag, Horizon 23: 54UT 04h01m32.61s - 04d08'45.5" 13.75mag.
Figure 3. last image, measured 00: 28: 28: 39UT 04h01m31.63s -04d09'37.8 "13.2mag, Horizon 00: 29UT 04h01m31.6s - 04h09'37.8" 13.75mag .TYC 4728-1169-1 v.11.28mag stars were used for brightness calibration .

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(66146) 1998 TU3 - 25.9.2017 at 02.54 - 25.9.2017 at 03.29 Orimattila, Artjärvi, Tähtikallio Observation number 67655