../ dmsp_15_ephemeris_20130605.txt 22-Jun-2023 00:22 109445 dmsp_16_ephemeris_20130605.txt 22-Jun-2023 00:22 109476 dmsp_17_ephemeris_20130605.txt 22-Jun-2023 00:22 109730 dmsp_18_ephemeris_20130605.txt 22-Jun-2023 00:22 109639