Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 11 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)
 11/29/2025   16:03:45   (   0.01, 140.78) (  -0.01, 140.74)    4.93                80
 12/02/2025   04:04:21   (  -0.02, 140.80) (  -0.22, 139.96)   96.24                80
 12/03/2025   03:48:18   (  -0.02, 140.81) (   0.82, 144.48)  419.34                80
 12/04/2025   16:10:08   (   0.02, 140.79) (   0.40, 139.22)  180.60                80
 12/05/2025   15:48:45   (   0.02, 140.80) (  -0.63, 143.74)  334.81                80
 12/07/2025   04:10:45   (  -0.03, 140.81) (  -0.55, 138.42)  272.25                80
 12/08/2025   03:52:01   (  -0.02, 140.81) (   0.44, 142.95)  243.85                80
 12/09/2025   16:16:31   (   0.03, 140.78) (   0.72, 137.67)  354.37                80
 12/10/2025   15:55:09   (   0.02, 140.77) (  -0.32, 142.19)  162.22                80