../ dmsp_15_ephemeris_20160621.txt 22-Jun-2023 16:23 109370 dmsp_16_ephemeris_20160621.txt 22-Jun-2023 16:23 109517 dmsp_17_ephemeris_20160621.txt 22-Jun-2023 16:23 109743 dmsp_18_ephemeris_20160621.txt 22-Jun-2023 16:23 109656 dmsp_19_ephemeris_20160621.txt 22-Jun-2023 16:23 109620