../ dmsp_08_ephemeris_19911117.txt 22-Jun-2023 15:43 109508 dmsp_09_ephemeris_19911117.txt 22-Jun-2023 15:43 109281 dmsp_10_ephemeris_19911117.txt 22-Jun-2023 15:43 109500 dmsp_11_ephemeris_19911117.txt 22-Jun-2023 15:43 243