../ dmsp_15_ephemeris_20120223.txt 22-Jun-2023 00:19 108093 dmsp_16_ephemeris_20120223.txt 22-Jun-2023 00:19 108116 dmsp_17_ephemeris_20120223.txt 22-Jun-2023 00:19 108099 dmsp_18_ephemeris_20120223.txt 22-Jun-2023 00:19 108156