../ dmsp_11_ephemeris_20000229.txt 21-Jun-2023 23:54 108164 dmsp_12_ephemeris_20000229.txt 21-Jun-2023 23:54 108143 dmsp_13_ephemeris_20000229.txt 21-Jun-2023 23:54 108152 dmsp_14_ephemeris_20000229.txt 21-Jun-2023 23:54 108270 dmsp_15_ephemeris_20000229.txt 21-Jun-2023 23:54 108192