../ dmsp_11_ephemeris_19991204.txt 21-Jun-2023 23:53 109413 dmsp_12_ephemeris_19991204.txt 21-Jun-2023 23:53 109418 dmsp_13_ephemeris_19991204.txt 21-Jun-2023 23:53 109345 dmsp_14_ephemeris_19991204.txt 21-Jun-2023 23:53 109547 dmsp_15_ephemeris_19991204.txt 21-Jun-2023 23:53 243