../ dmsp_15_ephemeris_20170303.txt 22-Jun-2023 16:48 108038 dmsp_16_ephemeris_20170303.txt 22-Jun-2023 16:48 108144 dmsp_17_ephemeris_20170303.txt 22-Jun-2023 16:48 108099 dmsp_18_ephemeris_20170303.txt 22-Jun-2023 16:48 107995