../ goes_16_ephemeris_20260717.txt 27-Jul-2026 08:00 113187 goes_17_ephemeris_20260717.txt 27-Jul-2026 08:00 112261 goes_18_ephemeris_20260717.txt 27-Jul-2026 08:00 115526 goes_19_ephemeris_20260717.txt 27-Jul-2026 08:00 114147