../ dmsp_15_ephemeris_20220127.txt 22-Jun-2023 16:31 108085 dmsp_16_ephemeris_20220127.txt 22-Jun-2023 16:31 108055 dmsp_17_ephemeris_20220127.txt 22-Jun-2023 16:31 107882 dmsp_18_ephemeris_20220127.txt 22-Jun-2023 16:31 107962