Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 30.  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)
 10/31/2025   04:03:38   (   0.00, 140.75) (  -0.12, 140.08)   75.20                80
 11/01/2025   03:47:31   (   0.00, 140.73) (   0.89, 144.62)  443.51                80
 11/02/2025   16:09:15   (  -0.00, 140.70) (   0.29, 139.37)  151.65                80
 11/03/2025   15:47:49   (  -0.00, 140.69) (  -0.72, 143.91)  367.21                80
 11/05/2025   04:09:43   (   0.00, 140.68) (  -0.45, 138.61)  235.04                80
 11/06/2025   03:53:37   (  -0.00, 140.66) (   0.57, 143.15)  284.10                80
 11/07/2025   16:15:21   (   0.00, 140.62) (   0.60, 137.90)  310.35                80
 11/08/2025   15:53:55   (   0.00, 140.61) (  -0.42, 142.44)  208.76                80
 11/10/2025   04:15:49   (   0.02, 140.60) (  -0.74, 137.14)  393.65                80
 11/11/2025   03:59:42   (   0.02, 140.57) (   0.29, 141.68)  126.19                80
 11/12/2025   16:21:27   (  -0.02, 140.52) (   0.88, 136.42)  466.40                80
 11/13/2025   16:00:00   (  -0.03, 140.49) (  -0.15, 140.96)   53.94                80