../ dmsp_15_ephemeris_20160304.txt 22-Jun-2023 00:30 108087 dmsp_16_ephemeris_20160304.txt 22-Jun-2023 00:30 108177 dmsp_17_ephemeris_20160304.txt 22-Jun-2023 00:30 108082 dmsp_18_ephemeris_20160304.txt 22-Jun-2023 00:30 108121 dmsp_19_ephemeris_20160304.txt 22-Jun-2023 00:30 108198