Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2025 6 20. Predictions up to the next 14.0 days: Date Time(HIMAWARI-9) HIMAWARI-9 Lat/Lon NOAA-21 Lat/Lon Distance(km) Time Diff(sec) 06/22/2025 16:03:57 ( -0.01, 140.76) ( 0.04, 140.61) 16.88 80 06/23/2025 15:42:34 ( -0.01, 140.76) ( -1.02, 145.13) 499.16 80 06/25/2025 04:04:31 ( 0.00, 140.76) ( -0.19, 139.83) 105.86 80 06/26/2025 03:48:26 ( 0.00, 140.75) ( 0.80, 144.36) 410.81 80 06/27/2025 16:10:15 ( 0.01, 140.74) ( 0.36, 139.09) 188.34 80 06/28/2025 15:48:50 ( 0.01, 140.73) ( -0.64, 143.62) 328.85 80 06/30/2025 04:10:48 ( -0.01, 140.72) ( -0.57, 138.31) 274.52 80 07/01/2025 03:54:44 ( -0.01, 140.70) ( 0.49, 142.83) 243.45 80 07/02/2025 16:16:31 ( 0.02, 140.67) ( 0.73, 137.57) 353.61 80 07/03/2025 15:55:08 ( 0.02, 140.65) ( -0.33, 142.09) 164.62 80