Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 26.  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)
 03/27/2025   03:54:23   (  -0.02, 140.76) (   0.45, 142.96)  250.31                80
 03/28/2025   16:16:09   (   0.02, 140.75) (   0.70, 137.69)  348.00                80
 03/29/2025   15:54:44   (   0.02, 140.74) (  -0.33, 142.23)  169.58                80
 03/31/2025   04:16:38   (  -0.02, 140.73) (  -0.89, 136.93)  433.11                80
 04/01/2025   04:00:33   (  -0.02, 140.72) (   0.14, 141.46)   84.89                80
 04/03/2025   16:00:53   (   0.02, 140.69) (   0.01, 140.74)    5.67                80
 04/06/2025   04:04:01   (  -0.02, 140.65) (  -0.15, 139.97)   77.41                80
 04/07/2025   03:47:55   (  -0.02, 140.63) (   0.84, 144.51)  441.82                80
 04/08/2025   16:09:40   (   0.03, 140.59) (   0.34, 139.25)  153.30                80
 04/09/2025   15:48:15   (   0.02, 140.57) (  -0.72, 143.78)  366.36                80