../ dmsp_15_ephemeris_20200205.txt 22-Jun-2023 00:43 108045 dmsp_16_ephemeris_20200205.txt 22-Jun-2023 00:43 108153 dmsp_17_ephemeris_20200205.txt 22-Jun-2023 00:43 107994 dmsp_18_ephemeris_20200205.txt 22-Jun-2023 00:43 107993