../ dmsp_08_ephemeris_19920518.txt 21-Jun-2023 23:44 109323 dmsp_09_ephemeris_19920518.txt 21-Jun-2023 23:44 109294 dmsp_10_ephemeris_19920518.txt 21-Jun-2023 23:44 109568 dmsp_11_ephemeris_19920518.txt 21-Jun-2023 23:44 109704