../ goes_16_ephemeris_20260818.txt 30-Sep-2026 02:00 113060 goes_17_ephemeris_20260818.txt 30-Sep-2026 02:00 112124 goes_18_ephemeris_20260818.txt 30-Sep-2026 02:00 115612 goes_19_ephemeris_20260818.txt 30-Sep-2026 02:00 114525