../ dmsp_08_ephemeris_19911217.txt 22-Jun-2023 15:41 109416 dmsp_09_ephemeris_19911217.txt 22-Jun-2023 15:41 109355 dmsp_10_ephemeris_19911217.txt 22-Jun-2023 15:41 109520 dmsp_11_ephemeris_19911217.txt 22-Jun-2023 15:41 109471