Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2025 9 1. 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) 09/02/2025 04:10:53 ( 0.00, 140.77) ( -0.54, 138.29) 282.91 80 09/03/2025 03:54:48 ( 0.00, 140.78) ( 0.45, 142.83) 233.24 80 09/04/2025 16:16:36 ( -0.01, 140.77) ( 0.69, 137.55) 366.80 80 09/05/2025 15:55:11 ( -0.00, 140.78) ( -0.30, 142.09) 149.68 80 09/07/2025 04:17:06 ( 0.01, 140.78) ( -0.87, 136.79) 455.03 80 09/08/2025 04:01:00 ( 0.00, 140.78) ( 0.12, 141.32) 62.07 80 09/10/2025 16:04:03 ( -0.00, 140.76) ( 0.02, 140.58) 19.23 80 09/11/2025 15:42:38 ( -0.00, 140.75) ( -0.98, 145.12) 498.17 80 09/13/2025 04:04:32 ( 0.00, 140.75) ( -0.23, 139.83) 105.73 80 09/14/2025 03:48:28 ( 0.00, 140.74) ( 0.83, 144.35) 411.83 80 09/15/2025 16:10:15 ( -0.00, 140.72) ( 0.35, 139.09) 185.83 80