../ dmsp_15_ephemeris_20140113.txt 22-Jun-2023 00:23 107959 dmsp_16_ephemeris_20140113.txt 22-Jun-2023 00:23 107865 dmsp_17_ephemeris_20140113.txt 22-Jun-2023 00:23 107979 dmsp_18_ephemeris_20140113.txt 22-Jun-2023 00:23 107837