../ dmsp_08_ephemeris_19920413.txt 21-Jun-2023 23:44 109455 dmsp_09_ephemeris_19920413.txt 21-Jun-2023 23:44 109351 dmsp_10_ephemeris_19920413.txt 21-Jun-2023 23:44 109696 dmsp_11_ephemeris_19920413.txt 21-Jun-2023 23:44 109712