../ dmsp_15_ephemeris_20140318.txt 22-Jun-2023 16:37 108193 dmsp_16_ephemeris_20140318.txt 22-Jun-2023 16:37 108180 dmsp_17_ephemeris_20140318.txt 22-Jun-2023 16:37 108202 dmsp_18_ephemeris_20140318.txt 22-Jun-2023 16:37 108132