../ dmsp_08_ephemeris_19911123.txt 22-Jun-2023 15:43 109425 dmsp_09_ephemeris_19911123.txt 22-Jun-2023 15:43 109309 dmsp_10_ephemeris_19911123.txt 22-Jun-2023 15:43 109572 dmsp_11_ephemeris_19911123.txt 22-Jun-2023 15:43 243