../ dmsp_15_ephemeris_20200113.txt 22-Jun-2023 00:42 107998 dmsp_16_ephemeris_20200113.txt 22-Jun-2023 00:42 107925 dmsp_17_ephemeris_20200113.txt 22-Jun-2023 00:42 107961 dmsp_18_ephemeris_20200113.txt 22-Jun-2023 00:42 107955