../ dmsp_15_ephemeris_20110318.txt 22-Jun-2023 16:11 108116 dmsp_16_ephemeris_20110318.txt 22-Jun-2023 16:11 108123 dmsp_17_ephemeris_20110318.txt 22-Jun-2023 16:11 108263 dmsp_18_ephemeris_20110318.txt 22-Jun-2023 16:11 108244