../ dmsp_15_ephemeris_20190205.txt 22-Jun-2023 00:39 108019 dmsp_16_ephemeris_20190205.txt 22-Jun-2023 00:39 108047 dmsp_17_ephemeris_20190205.txt 22-Jun-2023 00:39 108033 dmsp_18_ephemeris_20190205.txt 22-Jun-2023 00:39 108066