../ dmsp_15_ephemeris_20220620.txt 22-Jun-2023 00:51 109655 dmsp_16_ephemeris_20220620.txt 22-Jun-2023 00:51 109447 dmsp_17_ephemeris_20220620.txt 22-Jun-2023 00:51 109546 dmsp_18_ephemeris_20220620.txt 22-Jun-2023 00:51 109529