../ dmsp_15_ephemeris_20220730.txt 22-Jun-2023 00:52 109555 dmsp_16_ephemeris_20220730.txt 22-Jun-2023 00:52 109604 dmsp_17_ephemeris_20220730.txt 22-Jun-2023 00:52 109600 dmsp_18_ephemeris_20220730.txt 22-Jun-2023 00:52 109533