../ dmsp_08_ephemeris_19911113.txt 21-Jun-2023 23:44 109464 dmsp_09_ephemeris_19911113.txt 21-Jun-2023 23:44 109195 dmsp_10_ephemeris_19911113.txt 21-Jun-2023 23:44 109683 dmsp_11_ephemeris_19911113.txt 21-Jun-2023 23:44 243