../ dmsp_15_ephemeris_20160430.txt 22-Jun-2023 00:31 109528 dmsp_16_ephemeris_20160430.txt 22-Jun-2023 00:31 109615 dmsp_17_ephemeris_20160430.txt 22-Jun-2023 00:31 109662 dmsp_18_ephemeris_20160430.txt 22-Jun-2023 00:31 109653 dmsp_19_ephemeris_20160430.txt 22-Jun-2023 00:31 109695