Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 11 6.  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)
 11/07/2025   16:15:29   (  -0.00, 140.76) (   0.64, 137.87)  328.67                80
 11/08/2025   15:54:07   (  -0.00, 140.76) (  -0.36, 142.40)  186.98                80
 11/10/2025   04:16:07   (  -0.00, 140.75) (  -0.85, 137.08)  419.03                80
 11/11/2025   04:00:05   (  -0.00, 140.75) (   0.21, 141.59)   97.45                80
 11/13/2025   16:00:33   (   0.00, 140.71) (  -0.01, 140.85)   15.67                80
 11/16/2025   04:03:52   (  -0.00, 140.67) (  -0.12, 140.04)   71.04                80
 11/17/2025   03:47:50   (  -0.01, 140.65) (   0.89, 144.56)  446.92                80
 11/18/2025   16:09:40   (   0.01, 140.60) (   0.31, 139.29)  149.84                80
 11/19/2025   15:48:18   (   0.02, 140.58) (  -0.71, 143.81)  368.15                80