../ dmsp_08_ephemeris_19921215.txt 21-Jun-2023 23:45 109355 dmsp_09_ephemeris_19921215.txt 21-Jun-2023 23:45 109405 dmsp_10_ephemeris_19921215.txt 21-Jun-2023 23:45 109411 dmsp_11_ephemeris_19921215.txt 21-Jun-2023 23:45 109465