../ dmsp_15_ephemeris_20140205.txt 22-Jun-2023 00:24 107990 dmsp_16_ephemeris_20140205.txt 22-Jun-2023 00:24 108012 dmsp_17_ephemeris_20140205.txt 22-Jun-2023 00:24 108027 dmsp_18_ephemeris_20140205.txt 22-Jun-2023 00:24 108118