../ dmsp_08_ephemeris_19921207.txt 21-Jun-2023 23:45 109468 dmsp_09_ephemeris_19921207.txt 21-Jun-2023 23:45 109248 dmsp_10_ephemeris_19921207.txt 21-Jun-2023 23:45 109535 dmsp_11_ephemeris_19921207.txt 21-Jun-2023 23:45 109494