../ dmsp_15_ephemeris_20160506.txt 22-Jun-2023 00:31 109464 dmsp_16_ephemeris_20160506.txt 22-Jun-2023 00:31 109527 dmsp_17_ephemeris_20160506.txt 22-Jun-2023 00:31 109801 dmsp_18_ephemeris_20160506.txt 22-Jun-2023 00:31 109578 dmsp_19_ephemeris_20160506.txt 22-Jun-2023 00:31 109669