Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 13.  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)
 12/15/2024   04:05:37   (  -0.01, 140.76) (  -0.26, 139.75)  115.40                80
 12/16/2024   03:49:32   (  -0.02, 140.75) (   0.78, 144.28)  401.91                80
 12/17/2024   16:11:18   (   0.02, 140.74) (   0.39, 139.01)  196.51                80
 12/18/2024   15:49:52   (   0.01, 140.73) (  -0.65, 143.54)  321.02                80
 12/20/2024   04:11:46   (  -0.00, 140.72) (  -0.58, 138.25)  281.79                80
 12/21/2024   03:55:40   (   0.00, 140.70) (   0.46, 142.78)  236.62                80
 12/22/2024   16:17:27   (  -0.00, 140.67) (   0.70, 137.51)  359.64                80
 12/23/2024   15:56:01   (  -0.01, 140.65) (  -0.34, 142.04)  159.18                80
 12/25/2024   04:20:34   (   0.00, 140.63) (  -0.86, 136.75)  441.93                80
 12/26/2024   03:59:08   (   0.00, 140.60) (   0.13, 141.29)   77.47                80