../ dmsp_11_ephemeris_20020401.txt 21-Jun-2023 23:57 108315 dmsp_12_ephemeris_20020401.txt 21-Jun-2023 23:57 108402 dmsp_13_ephemeris_20020401.txt 21-Jun-2023 23:57 108186 dmsp_14_ephemeris_20020401.txt 21-Jun-2023 23:57 108235 dmsp_15_ephemeris_20020401.txt 21-Jun-2023 23:57 108250