../ dmsp_15_ephemeris_20130217.txt 22-Jun-2023 16:34 108127 dmsp_16_ephemeris_20130217.txt 22-Jun-2023 16:34 108057 dmsp_17_ephemeris_20130217.txt 22-Jun-2023 16:34 108114 dmsp_18_ephemeris_20130217.txt 22-Jun-2023 16:34 108144