../ dmsp_08_ephemeris_19911204.txt 21-Jun-2023 23:44 109350 dmsp_09_ephemeris_19911204.txt 21-Jun-2023 23:44 109299 dmsp_10_ephemeris_19911204.txt 21-Jun-2023 23:44 109584 dmsp_11_ephemeris_19911204.txt 21-Jun-2023 23:44 109431