../ dmsp_15_ephemeris_20230210.txt 22-Jun-2023 00:55 108196 dmsp_16_ephemeris_20230210.txt 22-Jun-2023 00:55 108070 dmsp_17_ephemeris_20230210.txt 22-Jun-2023 00:55 107858 dmsp_18_ephemeris_20230210.txt 22-Jun-2023 00:55 108077