../ dmsp_15_ephemeris_20150101.txt 22-Jun-2023 16:40 106624 dmsp_16_ephemeris_20150101.txt 22-Jun-2023 16:40 106526 dmsp_17_ephemeris_20150101.txt 22-Jun-2023 16:40 106406 dmsp_18_ephemeris_20150101.txt 22-Jun-2023 16:40 106603 dmsp_19_ephemeris_20150101.txt 22-Jun-2023 16:40 106459