../ dmsp_15_ephemeris_20220201.txt 22-Jun-2023 00:49 107968 dmsp_16_ephemeris_20220201.txt 22-Jun-2023 00:49 107948 dmsp_17_ephemeris_20220201.txt 22-Jun-2023 00:49 107999 dmsp_18_ephemeris_20220201.txt 22-Jun-2023 00:49 108082