../ dmsp_08_ephemeris_19911123.txt 21-Jun-2023 23:44 109425 dmsp_09_ephemeris_19911123.txt 21-Jun-2023 23:44 109309 dmsp_10_ephemeris_19911123.txt 21-Jun-2023 23:44 109572 dmsp_11_ephemeris_19911123.txt 21-Jun-2023 23:44 243