../ dmsp_15_ephemeris_20160220.txt 22-Jun-2023 00:30 108156 dmsp_16_ephemeris_20160220.txt 22-Jun-2023 00:30 108157 dmsp_17_ephemeris_20160220.txt 22-Jun-2023 00:30 108223 dmsp_18_ephemeris_20160220.txt 22-Jun-2023 00:30 108154 dmsp_19_ephemeris_20160220.txt 22-Jun-2023 00:30 108062