../ dmsp_08_ephemeris_19920226.txt 21-Jun-2023 23:44 108071 dmsp_09_ephemeris_19920226.txt 21-Jun-2023 23:44 107948 dmsp_10_ephemeris_19920226.txt 21-Jun-2023 23:44 108218 dmsp_11_ephemeris_19920226.txt 21-Jun-2023 23:44 108147