../ noaa_15_ephemeris_20231021.txt 21-Dec-2023 22:00 109531 noaa_18_ephemeris_20231021.txt 21-Dec-2023 22:00 109541 noaa_19_ephemeris_20231021.txt 21-Dec-2023 22:00 109671 noaa_20_ephemeris_20231021.txt 21-Dec-2023 22:00 109521