../ dmsp_08_ephemeris_19920429.txt 21-Jun-2023 23:44 109467 dmsp_09_ephemeris_19920429.txt 21-Jun-2023 23:44 109288 dmsp_10_ephemeris_19920429.txt 21-Jun-2023 23:44 109567 dmsp_11_ephemeris_19920429.txt 21-Jun-2023 23:44 109809