Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 7 18.  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)
 07/19/2024   04:00:29   (  -0.01, 140.74) (   0.13, 141.43)   78.54                80
 07/21/2024   16:03:32   (   0.02, 140.71) (   0.04, 140.70)    1.97                80
 07/24/2024   04:04:05   (  -0.03, 140.69) (  -0.21, 139.93)   87.52                80
 07/25/2024   03:48:01   (  -0.03, 140.68) (   0.80, 144.46)  430.75                80
 07/26/2024   16:09:49   (   0.03, 140.64) (   0.35, 139.19)  164.79                80
 07/27/2024   15:48:25   (   0.03, 140.62) (  -0.66, 143.72)  353.70                80
 07/29/2024   04:10:21   (  -0.03, 140.60) (  -0.55, 138.43)  248.86                80
 07/30/2024   03:54:16   (  -0.04, 140.58) (   0.47, 142.96)  270.15                80
 07/31/2024   16:16:05   (   0.04, 140.53) (   0.67, 137.69)  324.18                80
 08/01/2024   15:54:40   (   0.05, 140.51) (  -0.35, 142.22)  195.02                80