../ dmsp_08_ephemeris_19921011.txt 21-Jun-2023 23:45 109568 dmsp_09_ephemeris_19921011.txt 21-Jun-2023 23:45 109314 dmsp_10_ephemeris_19921011.txt 21-Jun-2023 23:45 109645 dmsp_11_ephemeris_19921011.txt 21-Jun-2023 23:45 109764