../ dmsp_15_ephemeris_20150709.txt 22-Jun-2023 00:28 109411 dmsp_16_ephemeris_20150709.txt 22-Jun-2023 00:28 109443 dmsp_17_ephemeris_20150709.txt 22-Jun-2023 00:28 109631 dmsp_18_ephemeris_20150709.txt 22-Jun-2023 00:28 109560 dmsp_19_ephemeris_20150709.txt 22-Jun-2023 00:28 109523