../ dmsp_15_ephemeris_20160920.txt 22-Jun-2023 16:19 109699 dmsp_16_ephemeris_20160920.txt 22-Jun-2023 16:19 109624 dmsp_17_ephemeris_20160920.txt 22-Jun-2023 16:19 109604 dmsp_18_ephemeris_20160920.txt 22-Jun-2023 16:19 109667 dmsp_19_ephemeris_20160920.txt 22-Jun-2023 16:19 109672