../ dmsp_11_ephemeris_20001218.txt 21-Jun-2023 23:55 109305 dmsp_12_ephemeris_20001218.txt 21-Jun-2023 23:55 109433 dmsp_13_ephemeris_20001218.txt 21-Jun-2023 23:55 109292 dmsp_14_ephemeris_20001218.txt 21-Jun-2023 23:55 109424 dmsp_15_ephemeris_20001218.txt 21-Jun-2023 23:55 109467