../ dmsp_08_ephemeris_19911128.txt 21-Jun-2023 23:44 109575 dmsp_09_ephemeris_19911128.txt 21-Jun-2023 23:44 109307 dmsp_10_ephemeris_19911128.txt 21-Jun-2023 23:44 109426 dmsp_11_ephemeris_19911128.txt 21-Jun-2023 23:44 243