../ dmsp_15_ephemeris_20220125.txt 22-Jun-2023 16:31 108031 dmsp_16_ephemeris_20220125.txt 22-Jun-2023 16:31 108033 dmsp_17_ephemeris_20220125.txt 22-Jun-2023 16:31 107902 dmsp_18_ephemeris_20220125.txt 22-Jun-2023 16:31 107954