Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2024 1 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) 01/21/2024 16:14:38 ( 0.01, 140.75) ( 0.72, 137.66) 353.34 80 01/22/2024 15:53:13 ( 0.01, 140.76) ( -0.30, 142.19) 162.76 80 01/24/2024 04:15:08 ( 0.00, 140.78) ( -0.87, 136.89) 443.32 80 01/25/2024 03:59:03 ( 0.01, 140.78) ( 0.15, 141.43) 73.34 80 01/27/2024 16:02:03 ( -0.01, 140.76) ( -0.01, 140.70) 7.45 80 01/30/2024 04:02:32 ( 0.02, 140.76) ( -0.18, 139.94) 93.79 80 01/31/2024 03:46:27 ( 0.02, 140.75) ( 0.86, 144.47) 424.32 80 02/01/2024 16:08:13 ( -0.02, 140.72) ( 0.30, 139.21) 171.76 80 02/02/2024 15:46:47 ( -0.02, 140.71) ( -0.68, 143.75) 346.52 80