../ dmsp_15_ephemeris_20120205.txt 22-Jun-2023 16:12 107989 dmsp_16_ephemeris_20120205.txt 22-Jun-2023 16:12 108036 dmsp_17_ephemeris_20120205.txt 22-Jun-2023 16:12 107984 dmsp_18_ephemeris_20120205.txt 22-Jun-2023 16:12 107963