../ dmsp_08_ephemeris_19911210.txt 22-Jun-2023 15:41 109504 dmsp_09_ephemeris_19911210.txt 22-Jun-2023 15:41 109253 dmsp_10_ephemeris_19911210.txt 22-Jun-2023 15:41 109446 dmsp_11_ephemeris_19911210.txt 22-Jun-2023 15:41 109414