../ dmsp_15_ephemeris_20120110.txt 22-Jun-2023 00:19 107905 dmsp_16_ephemeris_20120110.txt 22-Jun-2023 00:19 107873 dmsp_17_ephemeris_20120110.txt 22-Jun-2023 00:19 107868 dmsp_18_ephemeris_20120110.txt 22-Jun-2023 00:19 107930