Skywarden

Contact information

Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

(68359) 2001 OZ13 - 20.1.2023 at 22.23 - 20.1.2023 at 22.34 Orimattila, Artjärvi, Tähtikallio Observation number 111757

Visibility III / V

Kari Laihia, Hannu Määttänen, Toni Veikkolainen, Porin Karhunvartijat

(68359) 2001 OZ13 Amor/NEO asteroid imaged on the first night of the 2023 January talcos. The asteroid was discovered by the NEAT discovery program (644 Palomar Mountain/NEAT) at the Palomar Observatory on July 19, 2001. Total estimate 930m and rotation speed 18.07h/r. When photographed, the asteroid was at a distance of 0.2974au and at its closest on January 30, 2023 at 0.29199au.

1Fig. first image of the series L60s measured, 2023-01-20T 20:23:01UT 2459965.34931JDUT 10h06m53.63s +31d29'32.9" 16.849mag Std Dev 141.672 SNR22.732 FWHM4.861" ,JPL Horizon 20:230.63m53.63s +31d29'32.9" 31d29'31.4" 16.913mag .

2Fig. last image of the series L60s measured, 2023-01-20T 20:33:41UT 2459965.35672JDUT 10h06m53.96s +31d29'48.6" 16.946mag Std Dev 149.800 SNR23.123 FWHM3.386" , JPL Horizon 20:33:41m +31d29'48.6m 31d29'47.1" 16.913mag .

3Fig. sum picture L60s 1-11 from a stack of pictures, fast movement is visible. There are no other asteroids below 20.4 mag in the picture.

TYC 2503-291-1 11.89mag star used for brightness measurement calibration.


Additional information
  • Observation target
    • Asteroid
  • Name of the observation target
    • (68359) 2001 OZ13
  • Seeing
    • Average
Technical information

Alluna RC16, C415/3320, Moravian G4-16000EC MkII, filter L, bin3 11 x 60s

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