../ dmsp_15_ephemeris_20130330.txt 22-Jun-2023 00:21 108011 dmsp_16_ephemeris_20130330.txt 22-Jun-2023 00:21 108212 dmsp_17_ephemeris_20130330.txt 22-Jun-2023 00:21 108323 dmsp_18_ephemeris_20130330.txt 22-Jun-2023 00:21 108230