../ dmsp_15_ephemeris_20150324.txt 22-Jun-2023 00:27 108193 dmsp_16_ephemeris_20150324.txt 22-Jun-2023 00:27 108238 dmsp_17_ephemeris_20150324.txt 22-Jun-2023 00:27 108195 dmsp_18_ephemeris_20150324.txt 22-Jun-2023 00:27 108132 dmsp_19_ephemeris_20150324.txt 22-Jun-2023 00:27 108175