Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 5 2.  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)
 05/03/2025   04:00:10   (  -0.02, 140.79) (   0.14, 141.54)   86.01                80
 05/05/2025   16:00:37   (   0.03, 140.77) (   0.02, 140.79)    1.89                80
 05/08/2025   04:03:51   (  -0.03, 140.75) (  -0.22, 140.01)   85.38                80
 05/09/2025   03:47:47   (  -0.03, 140.74) (   0.80, 144.53)  431.97                80
 05/10/2025   16:09:38   (   0.02, 140.71) (   0.37, 139.25)  166.76                80
 05/11/2025   15:48:14   (   0.02, 140.69) (  -0.65, 143.77)  350.67                80
 05/13/2025   04:10:11   (  -0.01, 140.68) (  -0.54, 138.47)  252.84                80
 05/14/2025   03:54:08   (  -0.01, 140.66) (   0.49, 142.99)  264.97                80
 05/15/2025   16:13:18   (   0.01, 140.63) (   0.67, 137.71)  332.92                80
 05/16/2025   15:57:15   (   0.01, 140.61) (  -0.36, 142.23)  185.08                80