Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 7 26.  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)
 07/27/2025   04:04:42   (   0.04, 140.77) (  -0.16, 139.77)  112.98                80
 07/28/2025   03:48:38   (   0.04, 140.75) (   0.86, 144.30)  404.97                80
 07/29/2025   16:10:25   (  -0.05, 140.76) (   0.34, 139.04)  196.06                80
 07/30/2025   15:49:01   (  -0.05, 140.74) (  -0.68, 143.57)  322.05                80
 08/01/2025   04:10:58   (   0.05, 140.69) (  -0.48, 138.26)  276.70                80
 08/02/2025   03:54:54   (   0.05, 140.66) (   0.54, 142.79)  241.89                80
 08/03/2025   16:16:41   (  -0.06, 140.66) (   0.66, 137.52)  358.08                80
 08/04/2025   15:55:17   (  -0.06, 140.64) (  -0.35, 142.05)  160.43                80
 08/06/2025   04:17:14   (   0.07, 140.58) (  -0.79, 136.74)  438.09                80
 08/07/2025   04:01:09   (   0.07, 140.55) (   0.23, 141.26)   80.96                80
 08/09/2025   16:04:13   (  -0.08, 140.51) (  -0.11, 140.52)    2.98                80