../ dmsp_11_ephemeris_20001221.txt 21-Jun-2023 23:55 109375 dmsp_12_ephemeris_20001221.txt 21-Jun-2023 23:55 109404 dmsp_13_ephemeris_20001221.txt 21-Jun-2023 23:55 109327 dmsp_14_ephemeris_20001221.txt 21-Jun-2023 23:55 109461 dmsp_15_ephemeris_20001221.txt 21-Jun-2023 23:55 109460