Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 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)
 04/27/2024   15:53:51   (  -0.00, 140.75) (  -0.34, 142.18)  163.74                80
 04/29/2024   04:15:46   (  -0.00, 140.77) (  -0.85, 136.89)  441.65                80
 04/30/2024   03:59:41   (  -0.01, 140.77) (   0.15, 141.42)   74.90                80
 05/02/2024   16:02:41   (   0.02, 140.77) (   0.06, 140.71)    7.77                80
 05/05/2024   04:03:11   (  -0.03, 140.77) (  -0.20, 139.94)   94.23                80
 05/06/2024   03:47:06   (  -0.02, 140.77) (   0.82, 144.48)  423.35                80
 05/07/2024   16:08:52   (   0.03, 140.75) (   0.37, 139.22)  174.15                80
 05/08/2024   15:47:27   (   0.03, 140.74) (  -0.66, 143.76)  343.64                80
 05/10/2024   04:09:21   (  -0.03, 140.74) (  -0.53, 138.47)  259.32                80