Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 8 20.  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)
 08/22/2024   16:01:04   (   0.00, 140.75) (   0.02, 140.73)    2.58                80
 08/25/2024   04:04:15   (  -0.00, 140.73) (  -0.15, 139.97)   87.13                80
 08/26/2024   03:48:10   (  -0.00, 140.73) (   0.85, 144.50)  430.60                80
 08/27/2024   16:09:57   (  -0.00, 140.72) (   0.31, 139.24)  168.16                80
 08/28/2024   15:48:31   (  -0.00, 140.71) (  -0.70, 143.78)  349.72                80
 08/30/2024   04:10:26   (   0.01, 140.69) (  -0.52, 138.49)  251.78                80
 08/31/2024   03:54:21   (   0.01, 140.68) (   0.56, 143.01)  266.97                80
 09/01/2024   16:16:08   (  -0.01, 140.65) (   0.64, 137.76)  329.62                80
 09/02/2024   15:54:42   (  -0.00, 140.63) (  -0.38, 142.29)  189.63                80