../ dmsp_15_ephemeris_20170113.txt 22-Jun-2023 00:33 108032 dmsp_16_ephemeris_20170113.txt 22-Jun-2023 00:33 107860 dmsp_17_ephemeris_20170113.txt 22-Jun-2023 00:33 107846 dmsp_18_ephemeris_20170113.txt 22-Jun-2023 00:33 107836