../ dmsp_08_ephemeris_19920101.txt 21-Jun-2023 23:44 106596 dmsp_09_ephemeris_19920101.txt 21-Jun-2023 23:44 106443 dmsp_10_ephemeris_19920101.txt 21-Jun-2023 23:44 106679 dmsp_11_ephemeris_19920101.txt 21-Jun-2023 23:44 106491