../ dmsp_15_ephemeris_20140501.txt 22-Jun-2023 16:17 109433 dmsp_16_ephemeris_20140501.txt 22-Jun-2023 16:17 109589 dmsp_17_ephemeris_20140501.txt 22-Jun-2023 16:17 109735 dmsp_18_ephemeris_20140501.txt 22-Jun-2023 16:17 109555 dmsp_19_ephemeris_20140501.txt 22-Jun-2023 16:17 109656