../ dmsp_13_ephemeris_20040420.txt 22-Jun-2023 00:01 109781 dmsp_14_ephemeris_20040420.txt 22-Jun-2023 00:01 109720 dmsp_15_ephemeris_20040420.txt 22-Jun-2023 00:01 109652 dmsp_16_ephemeris_20040420.txt 22-Jun-2023 00:01 109695