../ dmsp_15_ephemeris_20160616.txt 22-Jun-2023 00:31 109525 dmsp_16_ephemeris_20160616.txt 22-Jun-2023 00:31 109545 dmsp_17_ephemeris_20160616.txt 22-Jun-2023 00:31 109784 dmsp_18_ephemeris_20160616.txt 22-Jun-2023 00:31 109416 dmsp_19_ephemeris_20160616.txt 22-Jun-2023 00:31 109510