Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2024 1 8. 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) 01/09/2024 03:59:14 ( -0.04, 140.77) ( 0.12, 141.37) 69.19 80 01/11/2024 16:02:15 ( 0.05, 140.76) ( 0.06, 140.64) 13.51 80 01/14/2024 04:02:45 ( -0.05, 140.75) ( -0.26, 139.88) 99.37 80 01/15/2024 03:46:41 ( -0.05, 140.74) ( 0.79, 144.41) 418.42 80 01/16/2024 16:08:27 ( 0.04, 140.72) ( 0.42, 139.15) 179.37 80 01/17/2024 15:47:03 ( 0.04, 140.71) ( -0.64, 143.68) 338.89 80 01/19/2024 04:08:58 ( -0.05, 140.69) ( -0.55, 138.38) 262.75 80 01/20/2024 03:52:52 ( -0.05, 140.67) ( 0.45, 142.91) 255.91 80 01/21/2024 16:14:40 ( 0.05, 140.64) ( 0.69, 137.64) 340.66 80 01/22/2024 15:53:14 ( 0.06, 140.62) ( -0.31, 142.18) 178.26 80