../ dmsp_15_ephemeris_20220714.txt 22-Jun-2023 00:52 109652 dmsp_16_ephemeris_20220714.txt 22-Jun-2023 00:52 109488 dmsp_17_ephemeris_20220714.txt 22-Jun-2023 00:52 109567 dmsp_18_ephemeris_20220714.txt 22-Jun-2023 00:52 109464