Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 19.  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)
 08/20/2025   15:55:15   (  -0.01, 140.77) (  -0.31, 142.07)  147.62                80
 08/22/2025   04:17:10   (   0.01, 140.77) (  -0.91, 136.77)  455.68                80
 08/23/2025   04:01:06   (   0.00, 140.76) (   0.12, 141.30)   61.51                80
 08/25/2025   16:04:09   (  -0.00, 140.74) (   0.05, 140.56)   20.53                80
 08/26/2025   15:42:44   (  -0.00, 140.73) (  -0.98, 145.09)  497.28                80
 08/28/2025   04:04:40   (   0.00, 140.70) (  -0.22, 139.79)  104.13                80
 08/29/2025   03:48:35   (   0.00, 140.69) (   0.82, 144.32)  414.09                80
 08/30/2025   16:10:23   (   0.00, 140.67) (   0.34, 139.05)  184.18                80
 08/31/2025   15:48:58   (   0.00, 140.65) (  -0.64, 143.59)  334.08                80
 09/02/2025   04:10:53   (  -0.01, 140.62) (  -0.54, 138.29)  266.80                80