../ dmsp_15_ephemeris_20220608.txt 22-Jun-2023 00:51 109647 dmsp_16_ephemeris_20220608.txt 22-Jun-2023 00:51 109576 dmsp_17_ephemeris_20220608.txt 22-Jun-2023 00:51 109513 dmsp_18_ephemeris_20220608.txt 22-Jun-2023 00:51 109582