../ dmsp_08_ephemeris_19921228.txt 21-Jun-2023 23:45 109538 dmsp_09_ephemeris_19921228.txt 21-Jun-2023 23:45 109358 dmsp_10_ephemeris_19921228.txt 21-Jun-2023 23:45 109325 dmsp_11_ephemeris_19921228.txt 21-Jun-2023 23:45 109475