Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21 TLE Epoch: 2025 6 16. 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) 06/17/2025 15:55:00 ( -0.02, 140.76) ( -0.32, 142.13) 156.43 80 06/19/2025 04:16:58 ( 0.02, 140.74) ( -0.83, 136.81) 446.81 80 06/20/2025 04:00:54 ( 0.02, 140.73) ( 0.16, 141.35) 70.63 80 06/22/2025 16:01:17 ( -0.03, 140.70) ( 0.02, 140.61) 11.57 80 06/25/2025 04:04:31 ( 0.04, 140.67) ( -0.16, 139.82) 96.70 80 06/26/2025 03:48:28 ( 0.03, 140.65) ( 0.89, 144.34) 421.35 80 06/27/2025 16:10:15 ( -0.04, 140.62) ( 0.33, 139.08) 176.40 80 06/28/2025 15:48:52 ( -0.03, 140.60) ( -0.73, 143.60) 342.20 80 06/30/2025 04:10:49 ( 0.04, 140.56) ( -0.47, 138.29) 259.05 80