../ dmsp_15_ephemeris_20160520.txt 22-Jun-2023 16:23 109461 dmsp_16_ephemeris_20160520.txt 22-Jun-2023 16:23 109442 dmsp_17_ephemeris_20160520.txt 22-Jun-2023 16:23 109749 dmsp_18_ephemeris_20160520.txt 22-Jun-2023 16:23 109733 dmsp_19_ephemeris_20160520.txt 22-Jun-2023 16:23 109671