../ dmsp_15_ephemeris_20130610.txt 22-Jun-2023 00:22 109504 dmsp_16_ephemeris_20130610.txt 22-Jun-2023 00:22 109696 dmsp_17_ephemeris_20130610.txt 22-Jun-2023 00:22 109572 dmsp_18_ephemeris_20130610.txt 22-Jun-2023 00:22 109501