../ dmsp_15_ephemeris_20130619.txt 22-Jun-2023 00:22 109611 dmsp_16_ephemeris_20130619.txt 22-Jun-2023 00:22 109655 dmsp_17_ephemeris_20130619.txt 22-Jun-2023 00:22 109666 dmsp_18_ephemeris_20130619.txt 22-Jun-2023 00:22 109660