../ dmsp_08_ephemeris_19911212.txt 22-Jun-2023 15:41 109428 dmsp_09_ephemeris_19911212.txt 22-Jun-2023 15:41 109361 dmsp_10_ephemeris_19911212.txt 22-Jun-2023 15:41 109433 dmsp_11_ephemeris_19911212.txt 22-Jun-2023 15:41 109301