Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 7 28.  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)
 07/29/2025   16:10:25   (  -0.04, 140.75) (   0.35, 139.04)  194.63                80
 07/30/2025   15:49:01   (  -0.04, 140.74) (  -0.67, 143.57)  323.02                80
 08/01/2025   04:10:58   (   0.04, 140.70) (  -0.49, 138.26)  277.80                80
 08/02/2025   03:54:54   (   0.04, 140.68) (   0.53, 142.79)  240.30                80
 08/03/2025   16:16:41   (  -0.05, 140.67) (   0.67, 137.52)  359.03                80
 08/04/2025   15:55:16   (  -0.05, 140.65) (  -0.34, 142.05)  159.00                80
 08/06/2025   04:17:14   (   0.06, 140.61) (  -0.80, 136.74)  441.51                80
 08/07/2025   04:01:09   (   0.06, 140.59) (   0.22, 141.27)   77.05                80
 08/09/2025   16:01:32   (  -0.07, 140.55) (  -0.04, 140.53)    3.72                80