Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2025 10 29. 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) 10/31/2025 04:03:38 ( 0.00, 140.74) ( -0.12, 140.08) 74.34 80 11/01/2025 03:47:31 ( 0.00, 140.73) ( 0.89, 144.62) 444.28 80 11/02/2025 16:09:15 ( -0.00, 140.69) ( 0.30, 139.37) 150.82 80 11/03/2025 15:47:49 ( -0.00, 140.68) ( -0.72, 143.91) 367.99 80 11/05/2025 04:09:43 ( 0.00, 140.67) ( -0.45, 138.61) 234.47 80 11/06/2025 03:53:37 ( -0.00, 140.66) ( 0.57, 143.15) 284.60 80 11/07/2025 16:15:21 ( 0.00, 140.62) ( 0.61, 137.90) 309.83 80 11/08/2025 15:53:55 ( -0.00, 140.60) ( -0.41, 142.44) 209.17 80 11/10/2025 04:15:49 ( 0.02, 140.59) ( -0.75, 137.14) 393.39 80 11/11/2025 03:59:42 ( 0.02, 140.57) ( 0.28, 141.68) 126.36 80 11/12/2025 16:21:27 ( -0.03, 140.52) ( 0.89, 136.42) 466.22 80