../ dmsp_15_ephemeris_20140221.txt 22-Jun-2023 00:24 108078 dmsp_16_ephemeris_20140221.txt 22-Jun-2023 00:24 108113 dmsp_17_ephemeris_20140221.txt 22-Jun-2023 00:24 108140 dmsp_18_ephemeris_20140221.txt 22-Jun-2023 00:24 108049