Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 9 4.  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)
 09/04/2025   16:16:36   (  -0.03, 140.78) (   0.73, 137.56)  367.52                80
 09/05/2025   15:55:11   (  -0.02, 140.78) (  -0.32, 142.08)  149.20                80
 09/07/2025   04:17:06   (   0.03, 140.77) (  -0.85, 136.78)  454.63                80
 09/08/2025   04:01:01   (   0.03, 140.77) (   0.14, 141.32)   62.74                80
 09/10/2025   16:04:04   (  -0.03, 140.75) (  -0.01, 140.58)   18.58                80
 09/11/2025   15:42:38   (  -0.02, 140.74) (  -1.00, 145.12)  499.06                80
 09/13/2025   04:04:34   (   0.03, 140.73) (  -0.15, 139.81)  103.97                80
 09/14/2025   03:48:28   (   0.02, 140.72) (   0.85, 144.35)  413.84                80
 09/15/2025   16:10:15   (  -0.03, 140.70) (   0.33, 139.08)  184.20                80
 09/16/2025   15:48:50   (  -0.03, 140.69) (  -0.67, 143.62)  333.88                80