../ dmsp_15_ephemeris_20150217.txt 10-Sep-2021 18:43 108105 dmsp_16_ephemeris_20150217.txt 10-Sep-2021 18:43 108191 dmsp_17_ephemeris_20150217.txt 10-Sep-2021 18:43 108136 dmsp_18_ephemeris_20150217.txt 10-Sep-2021 18:43 108005 dmsp_19_ephemeris_20150217.txt 10-Sep-2021 18:43 108099