2_20200.txt c_ck18e04n.txt C/2018 EN4 NEOWISE C/2018 EN4 CK18E04N C/2018 EN4 (NEOWISE) 2018 06 07.6599 1.448444 0.921052 35.0126 136.1583 81.5754 2019 12 08 15.0 2000.0 4.0