../ dmsp_08_ephemeris_19921123.txt 21-Jun-2023 23:45 109417 dmsp_09_ephemeris_19921123.txt 21-Jun-2023 23:45 109299 dmsp_10_ephemeris_19921123.txt 21-Jun-2023 23:45 109404 dmsp_11_ephemeris_19921123.txt 21-Jun-2023 23:45 109508