../ dmsp_15_ephemeris_20160907.txt 22-Jun-2023 00:32 109570 dmsp_16_ephemeris_20160907.txt 22-Jun-2023 00:32 109647 dmsp_17_ephemeris_20160907.txt 22-Jun-2023 00:32 109616 dmsp_18_ephemeris_20160907.txt 22-Jun-2023 00:32 109669 dmsp_19_ephemeris_20160907.txt 22-Jun-2023 00:32 109596