Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2025 8 3. 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) 08/04/2025 15:55:15 ( 0.00, 140.77) ( -0.26, 142.07) 148.24 80 08/06/2025 04:17:12 ( -0.01, 140.78) ( -0.89, 136.76) 457.30 80 08/07/2025 04:01:07 ( -0.01, 140.78) ( 0.08, 141.30) 58.73 80 08/09/2025 16:04:10 ( 0.02, 140.79) ( 0.05, 140.55) 26.26 80 08/10/2025 15:42:45 ( 0.02, 140.79) ( -0.92, 145.10) 490.18 80 08/12/2025 04:04:41 ( -0.02, 140.79) ( -0.27, 139.79) 113.89 80 08/13/2025 03:48:37 ( -0.02, 140.78) ( 0.76, 144.32) 403.03 80 08/14/2025 16:10:25 ( 0.03, 140.77) ( 0.39, 139.05) 196.52 80 08/15/2025 15:49:01 ( 0.03, 140.77) ( -0.63, 143.57) 320.32 80 08/17/2025 04:10:56 ( -0.03, 140.76) ( -0.59, 138.28) 283.38 80