../ dmsp_08_ephemeris_19911213.txt 21-Jun-2023 23:44 109557 dmsp_09_ephemeris_19911213.txt 21-Jun-2023 23:44 109213 dmsp_10_ephemeris_19911213.txt 21-Jun-2023 23:44 109470 dmsp_11_ephemeris_19911213.txt 21-Jun-2023 23:44 109443