Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 3 19.  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)
 03/20/2024   16:08:47   (   0.00, 140.77) (   0.36, 139.15)  184.84                80
 03/21/2024   15:47:23   (   0.00, 140.77) (  -0.66, 143.67)  330.90                80
 03/23/2024   04:09:21   (  -0.01, 140.78) (  -0.57, 138.37)  275.12                80
 03/24/2024   03:53:17   (  -0.00, 140.78) (   0.45, 142.90)  241.35                80
 03/25/2024   16:15:07   (   0.01, 140.76) (   0.71, 137.63)  357.46                80
 03/26/2024   15:53:43   (   0.00, 140.76) (  -0.32, 142.15)  159.23                80
 03/28/2024   04:15:40   (  -0.01, 140.76) (  -0.89, 136.85)  445.74                80
 03/29/2024   03:59:37   (  -0.01, 140.75) (   0.14, 141.37)   71.33                80
 03/31/2024   16:02:42   (   0.02, 140.72) (   0.04, 140.64)    9.41                80