../ dmsp_15_ephemeris_20161118.txt 22-Jun-2023 16:19 109390 dmsp_16_ephemeris_20161118.txt 22-Jun-2023 16:19 109460 dmsp_17_ephemeris_20161118.txt 22-Jun-2023 16:19 109308 dmsp_18_ephemeris_20161118.txt 22-Jun-2023 16:19 109350 dmsp_19_ephemeris_20161118.txt 22-Jun-2023 16:19 243