../ dmsp_15_ephemeris_20190121.txt 22-Jun-2023 00:39 107984 dmsp_16_ephemeris_20190121.txt 22-Jun-2023 00:39 108053 dmsp_17_ephemeris_20190121.txt 22-Jun-2023 00:39 107863 dmsp_18_ephemeris_20190121.txt 22-Jun-2023 00:39 107789