2_20701.txt  c_ck21u040.txt  C/2021 U4       Leonard                                                                                              C/2021 U4       CK21U040     C/2021 U4 (Leonard)                       2021 12 21.9449 1.787429   0.960099 237.2783   241.8025   152.8771   2021 11 29      17.0  2000.0 4.0