../ dmsp_08_ephemeris_19911212.txt 21-Jun-2023 23:44 109428 dmsp_09_ephemeris_19911212.txt 21-Jun-2023 23:44 109361 dmsp_10_ephemeris_19911212.txt 21-Jun-2023 23:44 109433 dmsp_11_ephemeris_19911212.txt 21-Jun-2023 23:44 109301