../ dmsp_15_ephemeris_20130713.txt 22-Jun-2023 16:15 109561 dmsp_16_ephemeris_20130713.txt 22-Jun-2023 16:15 109604 dmsp_17_ephemeris_20130713.txt 22-Jun-2023 16:15 109558 dmsp_18_ephemeris_20130713.txt 22-Jun-2023 16:15 109614