../ dmsp_15_ephemeris_20220303.txt 22-Jun-2023 16:31 108157 dmsp_16_ephemeris_20220303.txt 22-Jun-2023 16:31 108118 dmsp_17_ephemeris_20220303.txt 22-Jun-2023 16:31 108122 dmsp_18_ephemeris_20220303.txt 22-Jun-2023 16:31 108160