../ dmsp_15_ephemeris_20160723.txt 22-Jun-2023 00:31 109431 dmsp_16_ephemeris_20160723.txt 22-Jun-2023 00:31 109599 dmsp_17_ephemeris_20160723.txt 22-Jun-2023 00:31 109547 dmsp_18_ephemeris_20160723.txt 22-Jun-2023 00:31 109590 dmsp_19_ephemeris_20160723.txt 22-Jun-2023 00:31 109710