../ dmsp_11_ephemeris_19991120.txt 21-Jun-2023 23:53 109480 dmsp_12_ephemeris_19991120.txt 21-Jun-2023 23:53 109392 dmsp_13_ephemeris_19991120.txt 21-Jun-2023 23:53 109491 dmsp_14_ephemeris_19991120.txt 21-Jun-2023 23:53 109493