../ dmsp_15_ephemeris_20241103.txt 03-Jan-2025 22:00 109512 dmsp_16_ephemeris_20241103.txt 03-Jan-2025 22:00 109460 dmsp_17_ephemeris_20241103.txt 03-Jan-2025 22:00 109465 dmsp_18_ephemeris_20241103.txt 03-Jan-2025 22:00 109581