../ dmsp_15_ephemeris_20161021.txt 22-Jun-2023 00:32 109530 dmsp_16_ephemeris_20161021.txt 22-Jun-2023 00:32 109527 dmsp_17_ephemeris_20161021.txt 22-Jun-2023 00:32 109582 dmsp_18_ephemeris_20161021.txt 22-Jun-2023 00:32 109451 dmsp_19_ephemeris_20161021.txt 22-Jun-2023 00:32 109494