../ dmsp_15_ephemeris_20140412.txt 22-Jun-2023 00:24 109524 dmsp_16_ephemeris_20140412.txt 22-Jun-2023 00:24 109591 dmsp_17_ephemeris_20140412.txt 22-Jun-2023 00:24 109668 dmsp_18_ephemeris_20140412.txt 22-Jun-2023 00:24 109704 dmsp_19_ephemeris_20140412.txt 22-Jun-2023 00:24 109726