../ dmsp_15_ephemeris_20160610.txt 22-Jun-2023 00:31 109575 dmsp_16_ephemeris_20160610.txt 22-Jun-2023 00:31 109588 dmsp_17_ephemeris_20160610.txt 22-Jun-2023 00:31 109550 dmsp_18_ephemeris_20160610.txt 22-Jun-2023 00:31 109687 dmsp_19_ephemeris_20160610.txt 22-Jun-2023 00:31 109655