2_20701.txt c_0117p.txt 117P Helin-Roman-Alu 1 117P/Hel.-Ro.-A 0117P 117P/Helin-Roman-Alu 2022 07 09.4476 3.042789 0.256031 223.3223 58.8177 8.7049 2023 11 28 2.5 2000.0 8.0