../ dmsp_15_ephemeris_20221012.txt 22-Jun-2023 00:53 109672 dmsp_16_ephemeris_20221012.txt 22-Jun-2023 00:53 109559 dmsp_17_ephemeris_20221012.txt 22-Jun-2023 00:53 109543 dmsp_18_ephemeris_20221012.txt 22-Jun-2023 00:53 109466