../ dmsp_11_ephemeris_20000420.txt 21-Jun-2023 23:54 109631 dmsp_12_ephemeris_20000420.txt 21-Jun-2023 23:54 109600 dmsp_13_ephemeris_20000420.txt 21-Jun-2023 23:54 109740 dmsp_14_ephemeris_20000420.txt 21-Jun-2023 23:54 109650 dmsp_15_ephemeris_20000420.txt 21-Jun-2023 23:54 109773