../ dmsp_15_ephemeris_20241105.txt 05-Jan-2025 22:00 109446 dmsp_16_ephemeris_20241105.txt 05-Jan-2025 22:00 109439 dmsp_17_ephemeris_20241105.txt 05-Jan-2025 22:00 109454 dmsp_18_ephemeris_20241105.txt 05-Jan-2025 22:00 109344