../ dmsp_15_ephemeris_20250208.txt 05-Apr-2025 00:00 108056 dmsp_16_ephemeris_20250208.txt 05-Apr-2025 00:00 108012 dmsp_17_ephemeris_20250208.txt 05-Apr-2025 00:00 108083 dmsp_18_ephemeris_20250208.txt 05-Apr-2025 00:00 108014