../ dmsp_15_ephemeris_20150829.txt 22-Jun-2023 00:28 109538 dmsp_16_ephemeris_20150829.txt 22-Jun-2023 00:28 109649 dmsp_17_ephemeris_20150829.txt 22-Jun-2023 00:28 109753 dmsp_18_ephemeris_20150829.txt 22-Jun-2023 00:28 109643 dmsp_19_ephemeris_20150829.txt 22-Jun-2023 00:28 109627