../ dmsp_15_ephemeris_20220112.txt 22-Jun-2023 00:49 108046 dmsp_16_ephemeris_20220112.txt 22-Jun-2023 00:49 107960 dmsp_17_ephemeris_20220112.txt 22-Jun-2023 00:49 107758 dmsp_18_ephemeris_20220112.txt 22-Jun-2023 00:49 108024