2_20200.txt c_ck15v020.txt C/2015 V2 Johnson C/2015 V2 CK15V020 C/2015 V2 (Johnson) 2017 06 12.3235 1.637934 1.001688 164.9225 69.8450 49.8769 2018 12 04 5.0 2000.0 4.0