../ dmsp_15_ephemeris_20160331.txt 22-Jun-2023 00:30 108011 dmsp_16_ephemeris_20160331.txt 22-Jun-2023 00:30 108220 dmsp_17_ephemeris_20160331.txt 22-Jun-2023 00:30 108215 dmsp_18_ephemeris_20160331.txt 22-Jun-2023 00:30 108224 dmsp_19_ephemeris_20160331.txt 22-Jun-2023 00:30 108264