Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2025 6 21. 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 16:03:58 ( -0.01, 140.76) ( 0.01, 140.61) 17.27 80 06/23/2025 15:42:33 ( -0.01, 140.76) ( -0.98, 145.14) 498.63 80 06/25/2025 04:04:30 ( 0.01, 140.77) ( -0.23, 139.83) 106.66 80 06/26/2025 03:48:27 ( 0.00, 140.76) ( 0.82, 144.36) 409.88 80 06/27/2025 16:10:14 ( 0.00, 140.75) ( 0.39, 139.09) 189.52 80 06/28/2025 15:48:51 ( 0.01, 140.75) ( -0.66, 143.61) 327.53 80 06/30/2025 04:10:48 ( -0.01, 140.73) ( -0.55, 138.31) 276.08 80 07/01/2025 03:54:44 ( -0.01, 140.72) ( 0.45, 142.84) 241.71 80 07/02/2025 16:16:32 ( 0.02, 140.69) ( 0.70, 137.57) 355.59 80 07/03/2025 15:55:07 ( 0.02, 140.67) ( -0.29, 142.10) 162.46 80 07/05/2025 04:17:05 ( -0.02, 140.65) ( -0.91, 136.79) 440.08 80