../ dmsp_08_ephemeris_19911122.txt 22-Jun-2023 15:41 109493 dmsp_09_ephemeris_19911122.txt 22-Jun-2023 15:41 109090 dmsp_10_ephemeris_19911122.txt 22-Jun-2023 15:41 109480 dmsp_11_ephemeris_19911122.txt 22-Jun-2023 15:41 243