Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 12.  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)
 12/12/2024   16:05:09   (   0.02, 140.75) (   0.07, 140.51)   27.66                80
 12/13/2024   15:43:43   (   0.02, 140.75) (  -0.96, 145.04)  489.09                80
 12/15/2024   04:05:37   (  -0.02, 140.76) (  -0.24, 139.74)  115.16                80
 12/16/2024   03:49:32   (  -0.02, 140.75) (   0.80, 144.27)  402.04                80
 12/17/2024   16:11:17   (   0.01, 140.73) (   0.43, 139.02)  196.37                80
 12/18/2024   15:49:52   (   0.01, 140.73) (  -0.61, 143.55)  321.22                80
 12/20/2024   04:14:26   (  -0.00, 140.72) (  -0.56, 138.25)  281.43                80
 12/21/2024   03:53:01   (   0.00, 140.70) (   0.49, 142.77)  237.03                80
 12/22/2024   16:17:26   (   0.00, 140.66) (   0.73, 137.52)  359.03                80
 12/23/2024   15:56:00   (  -0.00, 140.64) (  -0.32, 142.05)  159.82                80
 12/25/2024   04:20:34   (  -0.00, 140.62) (  -0.89, 136.75)  441.22                80