../ dmsp_13_ephemeris_20100418.txt 22-Jun-2023 00:15 109753 dmsp_14_ephemeris_20100418.txt 22-Jun-2023 00:15 109649 dmsp_15_ephemeris_20100418.txt 22-Jun-2023 00:15 109673 dmsp_16_ephemeris_20100418.txt 22-Jun-2023 00:15 109796 dmsp_17_ephemeris_20100418.txt 22-Jun-2023 00:15 109739 dmsp_18_ephemeris_20100418.txt 22-Jun-2023 00:15 109729