../ dmsp_15_ephemeris_20250206.txt 05-Apr-2025 00:00 108123 dmsp_16_ephemeris_20250206.txt 05-Apr-2025 00:00 108088 dmsp_17_ephemeris_20250206.txt 05-Apr-2025 00:00 107979 dmsp_18_ephemeris_20250206.txt 05-Apr-2025 00:00 108208