../ dmsp_15_ephemeris_20150628.txt 22-Jun-2023 00:28 109430 dmsp_16_ephemeris_20150628.txt 22-Jun-2023 00:28 109560 dmsp_17_ephemeris_20150628.txt 22-Jun-2023 00:28 109676 dmsp_18_ephemeris_20150628.txt 22-Jun-2023 00:28 109710 dmsp_19_ephemeris_20150628.txt 22-Jun-2023 00:28 109555