../ dmsp_08_ephemeris_19921121.txt 21-Jun-2023 23:45 109461 dmsp_09_ephemeris_19921121.txt 21-Jun-2023 23:45 109285 dmsp_10_ephemeris_19921121.txt 21-Jun-2023 23:45 109554 dmsp_11_ephemeris_19921121.txt 21-Jun-2023 23:45 109533