../ dmsp_15_ephemeris_20160309.txt 22-Jun-2023 00:30 108190 dmsp_16_ephemeris_20160309.txt 22-Jun-2023 00:30 108190 dmsp_17_ephemeris_20160309.txt 22-Jun-2023 00:30 108137 dmsp_18_ephemeris_20160309.txt 22-Jun-2023 00:30 108246 dmsp_19_ephemeris_20160309.txt 22-Jun-2023 00:30 108243