Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 5.  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)
 10/06/2025   16:16:12   (  -0.02, 140.74) (   0.68, 137.66)  350.32                80
 10/07/2025   15:54:46   (  -0.02, 140.72) (  -0.36, 142.20)  168.87                80
 10/09/2025   04:16:41   (   0.02, 140.69) (  -0.83, 136.90)  431.84                80
 10/10/2025   04:00:35   (   0.03, 140.67) (   0.21, 141.43)   87.56                80
 10/12/2025   16:00:55   (  -0.04, 140.60) (  -0.05, 140.71)   11.94                80
 10/15/2025   04:04:04   (   0.04, 140.54) (  -0.09, 139.95)   68.14                80
 10/16/2025   03:47:58   (   0.05, 140.51) (   0.96, 144.47)  452.43                80
 10/17/2025   16:09:44   (  -0.05, 140.45) (   0.22, 139.22)  140.08                80
 10/18/2025   15:48:17   (  -0.05, 140.41) (  -0.78, 143.76)  380.99                80