../ dmsp_08_ephemeris_19911209.txt 21-Jun-2023 23:44 109464 dmsp_09_ephemeris_19911209.txt 21-Jun-2023 23:44 109435 dmsp_10_ephemeris_19911209.txt 21-Jun-2023 23:44 109611 dmsp_11_ephemeris_19911209.txt 21-Jun-2023 23:44 109523