../ dmsp_15_ephemeris_20230125.txt 22-Jun-2023 00:54 107960 dmsp_16_ephemeris_20230125.txt 22-Jun-2023 00:54 107977 dmsp_17_ephemeris_20230125.txt 22-Jun-2023 00:54 108036 dmsp_18_ephemeris_20230125.txt 22-Jun-2023 00:54 108028