Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 1.  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)
 10/02/2025   15:48:37   (  -0.02, 140.82) (  -0.65, 143.69)  326.88                80
 10/04/2025   04:10:31   (   0.02, 140.84) (  -0.55, 138.40)  279.52                80
 10/05/2025   03:54:26   (   0.02, 140.86) (   0.48, 142.93)  235.85                80
 10/06/2025   16:16:12   (  -0.02, 140.88) (   0.68, 137.66)  366.16                80
 10/07/2025   15:54:45   (  -0.02, 140.90) (  -0.30, 142.21)  149.35                80
 10/09/2025   04:16:40   (   0.02, 140.92) (  -0.88, 136.91)  456.48                80
 10/10/2025   04:00:34   (   0.02, 140.93) (   0.16, 141.44)   59.34                80
 10/12/2025   16:03:33   (  -0.03, 140.96) (   0.04, 140.73)   26.26                80
 10/13/2025   15:42:08   (  -0.03, 140.97) (  -1.01, 145.26)  489.76                80
 10/15/2025   04:04:01   (   0.04, 140.98) (  -0.21, 139.98)  115.16                80