Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 1 29.  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)
 02/01/2025   04:03:50   (  -0.01, 140.75) (  -0.18, 140.10)   75.64                80
 02/02/2025   03:47:43   (  -0.00, 140.74) (   0.85, 144.64)  444.12                80
 02/03/2025   16:09:26   (   0.01, 140.71) (   0.30, 139.38)  152.07                80
 02/04/2025   15:47:59   (   0.00, 140.70) (  -0.73, 143.92)  367.72                80
 02/06/2025   04:09:50   (  -0.00, 140.66) (  -0.45, 138.63)  230.68                80
 02/07/2025   03:53:43   (  -0.00, 140.64) (   0.59, 143.17)  289.49                80
 02/08/2025   16:15:25   (   0.00, 140.60) (   0.60, 137.92)  305.66                80
 02/09/2025   15:53:57   (   0.00, 140.58) (  -0.45, 142.46)  214.80                80
 02/11/2025   04:15:49   (  -0.00, 140.53) (  -0.73, 137.17)  382.56                80
 02/12/2025   03:59:40   (  -0.00, 140.50) (   0.27, 141.72)  138.83                80