Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2024 12 13. 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) 12/13/2024 15:43:43 ( 0.01, 140.75) ( -0.97, 145.04) 488.73 80 12/15/2024 04:05:38 ( -0.01, 140.76) ( -0.22, 139.74) 115.50 80 12/16/2024 03:49:31 ( -0.01, 140.75) ( 0.76, 144.28) 401.85 80 12/17/2024 16:11:18 ( 0.02, 140.74) ( 0.41, 139.01) 196.37 80 12/18/2024 15:49:52 ( 0.02, 140.73) ( -0.62, 143.54) 321.33 80 12/20/2024 04:11:46 ( -0.01, 140.72) ( -0.55, 138.24) 281.44 80 12/21/2024 03:55:40 ( -0.00, 140.70) ( 0.44, 142.78) 236.99 80 12/22/2024 16:17:26 ( 0.00, 140.66) ( 0.73, 137.52) 359.23 80 12/23/2024 15:56:01 ( -0.00, 140.64) ( -0.32, 142.04) 159.61 80 12/25/2024 04:20:34 ( -0.00, 140.62) ( -0.89, 136.75) 441.52 80 12/26/2024 03:59:09 ( -0.00, 140.60) ( 0.16, 141.28) 77.89 80