Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 27.  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)
 02/28/2025   04:00:47   (  -0.00, 140.75) (   0.14, 141.44)   78.76                80
 03/02/2025   16:03:49   (   0.00, 140.72) (   0.03, 140.70)    4.00                80
 03/05/2025   04:04:22   (  -0.00, 140.68) (  -0.18, 139.92)   87.12                80
 03/06/2025   03:48:18   (  -0.00, 140.67) (   0.84, 144.45)  430.90                80
 03/07/2025   16:10:05   (   0.01, 140.64) (   0.32, 139.17)  167.01                80
 03/08/2025   15:48:41   (   0.00, 140.63) (  -0.71, 143.70)  351.27                80
 03/10/2025   04:10:37   (  -0.01, 140.59) (  -0.49, 138.40)  249.65                80
 03/11/2025   03:54:32   (  -0.01, 140.56) (   0.55, 142.92)  269.51                80
 03/12/2025   16:16:19   (   0.01, 140.52) (   0.65, 137.66)  326.17                80
 03/13/2025   15:54:54   (   0.01, 140.49) (  -0.39, 142.19)  193.44                80