../ dmsp_15_ephemeris_20160428.txt 22-Jun-2023 00:31 109658 dmsp_16_ephemeris_20160428.txt 22-Jun-2023 00:31 109580 dmsp_17_ephemeris_20160428.txt 22-Jun-2023 00:31 109676 dmsp_18_ephemeris_20160428.txt 22-Jun-2023 00:31 109433 dmsp_19_ephemeris_20160428.txt 22-Jun-2023 00:31 109597