Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2025 11 5. 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) 11/06/2025 03:53:38 ( 0.00, 140.77) ( 0.52, 143.16) 272.01 80 11/07/2025 16:15:29 ( -0.00, 140.76) ( 0.64, 137.87) 328.59 80 11/08/2025 15:54:07 ( 0.00, 140.75) ( -0.36, 142.40) 187.09 80 11/10/2025 04:16:07 ( -0.00, 140.76) ( -0.85, 137.08) 419.15 80 11/11/2025 04:00:05 ( -0.00, 140.75) ( 0.21, 141.59) 97.30 80 11/13/2025 16:00:33 ( 0.00, 140.70) ( -0.01, 140.84) 15.64 80 11/16/2025 04:03:52 ( -0.00, 140.67) ( -0.12, 140.04) 71.29 80 11/17/2025 03:47:50 ( -0.01, 140.65) ( 0.89, 144.56) 446.65 80 11/18/2025 16:09:40 ( 0.01, 140.60) ( 0.30, 139.29) 149.95 80 11/19/2025 15:48:18 ( 0.02, 140.58) ( -0.71, 143.81) 368.02 80