../ dmsp_11_ephemeris_20010228.txt 21-Jun-2023 23:55 108179 dmsp_12_ephemeris_20010228.txt 21-Jun-2023 23:55 108111 dmsp_13_ephemeris_20010228.txt 21-Jun-2023 23:55 108271 dmsp_14_ephemeris_20010228.txt 21-Jun-2023 23:55 108198 dmsp_15_ephemeris_20010228.txt 21-Jun-2023 23:55 108146