../ dmsp_15_ephemeris_20140119.txt 22-Jun-2023 00:23 108009 dmsp_16_ephemeris_20140119.txt 22-Jun-2023 00:23 107963 dmsp_17_ephemeris_20140119.txt 22-Jun-2023 00:23 107893 dmsp_18_ephemeris_20140119.txt 22-Jun-2023 00:23 108125