Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 5 23.  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)
 05/24/2025   04:04:08   (   0.01, 140.72) (  -0.17, 139.92)   91.53                80
 05/25/2025   03:48:05   (   0.01, 140.71) (   0.86, 144.45)  426.06                80
 05/26/2025   16:09:54   (  -0.01, 140.69) (   0.33, 139.17)  173.62                80
 05/27/2025   15:48:31   (  -0.01, 140.68) (  -0.70, 143.69)  343.95                80
 05/29/2025   04:10:28   (   0.01, 140.65) (  -0.50, 138.39)  257.30                80
 05/30/2025   03:54:25   (   0.01, 140.62) (   0.53, 142.91)  260.97                80
 05/31/2025   16:16:14   (  -0.00, 140.60) (   0.65, 137.64)  336.98                80
 06/01/2025   15:54:50   (   0.00, 140.57) (  -0.38, 142.16)  181.84                80
 06/03/2025   04:16:48   (  -0.00, 140.52) (  -0.81, 136.85)  417.84                80
 06/04/2025   04:00:44   (  -0.01, 140.49) (   0.22, 141.38)  101.79                80
 06/05/2025   16:22:33   (   0.01, 140.44) (   1.01, 136.11)  494.04                80
 06/06/2025   16:01:09   (   0.01, 140.40) (  -0.03, 140.63)   25.78                80