../ dmsp_15_ephemeris_20190914.txt 22-Jun-2023 00:41 109674 dmsp_16_ephemeris_20190914.txt 22-Jun-2023 00:41 109586 dmsp_17_ephemeris_20190914.txt 22-Jun-2023 00:41 109770 dmsp_18_ephemeris_20190914.txt 22-Jun-2023 00:41 109685