../ dmsp_15_ephemeris_20221210.txt 22-Jun-2023 16:34 109243 dmsp_16_ephemeris_20221210.txt 22-Jun-2023 16:34 109418 dmsp_17_ephemeris_20221210.txt 22-Jun-2023 16:34 109314 dmsp_18_ephemeris_20221210.txt 22-Jun-2023 16:34 109377