../ dmsp_15_ephemeris_20120205.txt 22-Jun-2023 00:19 107989 dmsp_16_ephemeris_20120205.txt 22-Jun-2023 00:19 108036 dmsp_17_ephemeris_20120205.txt 22-Jun-2023 00:19 107984 dmsp_18_ephemeris_20120205.txt 22-Jun-2023 00:19 107963