../ dmsp_15_ephemeris_20160503.txt 22-Jun-2023 00:31 109613 dmsp_16_ephemeris_20160503.txt 22-Jun-2023 00:31 109505 dmsp_17_ephemeris_20160503.txt 22-Jun-2023 00:31 109817 dmsp_18_ephemeris_20160503.txt 22-Jun-2023 00:31 109681 dmsp_19_ephemeris_20160503.txt 22-Jun-2023 00:31 109599