../ dmsp_08_ephemeris_19911122.txt 21-Jun-2023 23:44 109493 dmsp_09_ephemeris_19911122.txt 21-Jun-2023 23:44 109090 dmsp_10_ephemeris_19911122.txt 21-Jun-2023 23:44 109480 dmsp_11_ephemeris_19911122.txt 21-Jun-2023 23:44 243