../ dmsp_15_ephemeris_20190115.txt 22-Jun-2023 16:24 108102 dmsp_16_ephemeris_20190115.txt 22-Jun-2023 16:24 108002 dmsp_17_ephemeris_20190115.txt 22-Jun-2023 16:24 107847 dmsp_18_ephemeris_20190115.txt 22-Jun-2023 16:24 107841