../ dmsp_15_ephemeris_20160111.txt 22-Jun-2023 00:30 108108 dmsp_16_ephemeris_20160111.txt 22-Jun-2023 00:30 107955 dmsp_17_ephemeris_20160111.txt 22-Jun-2023 00:30 107788 dmsp_18_ephemeris_20160111.txt 22-Jun-2023 00:30 107943 dmsp_19_ephemeris_20160111.txt 22-Jun-2023 00:30 107907