../ dmsp_15_ephemeris_20241107.txt 07-Jan-2025 22:00 109547 dmsp_16_ephemeris_20241107.txt 07-Jan-2025 22:00 109432 dmsp_17_ephemeris_20241107.txt 07-Jan-2025 22:00 109423 dmsp_18_ephemeris_20241107.txt 07-Jan-2025 22:00 109622