../ dmsp_15_ephemeris_20200114.txt 22-Jun-2023 00:42 108039 dmsp_16_ephemeris_20200114.txt 22-Jun-2023 00:42 108082 dmsp_17_ephemeris_20200114.txt 22-Jun-2023 00:42 107853 dmsp_18_ephemeris_20200114.txt 22-Jun-2023 00:42 107899