../ dmsp_15_ephemeris_20220216.txt 22-Jun-2023 16:31 108123 dmsp_16_ephemeris_20220216.txt 22-Jun-2023 16:31 108168 dmsp_17_ephemeris_20220216.txt 22-Jun-2023 16:31 107993 dmsp_18_ephemeris_20220216.txt 22-Jun-2023 16:31 108019