../ dmsp_15_ephemeris_20230123.txt 22-Jun-2023 00:54 107922 dmsp_16_ephemeris_20230123.txt 22-Jun-2023 00:54 107959 dmsp_17_ephemeris_20230123.txt 22-Jun-2023 00:54 107826 dmsp_18_ephemeris_20230123.txt 22-Jun-2023 00:54 108018