../ dmsp_15_ephemeris_20180124.txt 22-Jun-2023 16:51 108010 dmsp_16_ephemeris_20180124.txt 22-Jun-2023 16:51 107991 dmsp_17_ephemeris_20180124.txt 22-Jun-2023 16:51 108033 dmsp_18_ephemeris_20180124.txt 22-Jun-2023 16:51 107876