../ dmsp_15_ephemeris_20240816.txt 16-Oct-2024 22:00 109656 dmsp_16_ephemeris_20240816.txt 16-Oct-2024 22:00 109667 dmsp_17_ephemeris_20240816.txt 16-Oct-2024 22:00 109582 dmsp_18_ephemeris_20240816.txt 16-Oct-2024 22:00 109495