2_20701.txt c_0026p.txt 26P Grigg-Skjellerup 26P/Grigg-Skjel 0026P 26P/Grigg-Skjellerup 2023 12 25.3783 1.084072 0.640474 2.1495 211.5403 22.4327 2023 01 28 12.0 2000.0 16.0