../ dmsp_08_ephemeris_19921225.txt 21-Jun-2023 23:45 109456 dmsp_09_ephemeris_19921225.txt 21-Jun-2023 23:45 109266 dmsp_10_ephemeris_19921225.txt 21-Jun-2023 23:45 109503 dmsp_11_ephemeris_19921225.txt 21-Jun-2023 23:45 109407