../ dmsp_15_ephemeris_20160227.txt 22-Jun-2023 00:30 108180 dmsp_16_ephemeris_20160227.txt 22-Jun-2023 00:30 108193 dmsp_17_ephemeris_20160227.txt 22-Jun-2023 00:30 108144 dmsp_18_ephemeris_20160227.txt 22-Jun-2023 00:30 107985 dmsp_19_ephemeris_20160227.txt 22-Jun-2023 00:30 108168