../ dmsp_15_ephemeris_20160421.txt 22-Jun-2023 16:23 109586 dmsp_16_ephemeris_20160421.txt 22-Jun-2023 16:23 109590 dmsp_17_ephemeris_20160421.txt 22-Jun-2023 16:23 109744 dmsp_18_ephemeris_20160421.txt 22-Jun-2023 16:23 109652 dmsp_19_ephemeris_20160421.txt 22-Jun-2023 16:23 109535