../ dmsp_15_ephemeris_20150508.txt 22-Jun-2023 16:16 109484 dmsp_16_ephemeris_20150508.txt 22-Jun-2023 16:16 109656 dmsp_17_ephemeris_20150508.txt 22-Jun-2023 16:16 109673 dmsp_18_ephemeris_20150508.txt 22-Jun-2023 16:16 109738 dmsp_19_ephemeris_20150508.txt 22-Jun-2023 16:16 109736