../ dmsp_15_ephemeris_20160318.txt 22-Jun-2023 00:30 108014 dmsp_16_ephemeris_20160318.txt 22-Jun-2023 00:30 108067 dmsp_17_ephemeris_20160318.txt 22-Jun-2023 00:30 108216 dmsp_18_ephemeris_20160318.txt 22-Jun-2023 00:30 108083 dmsp_19_ephemeris_20160318.txt 22-Jun-2023 00:30 108191