Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 7 6.  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)
 07/08/2025   16:04:05   (  -0.01, 140.76) (   0.01, 140.57)   20.95                80
 07/09/2025   15:42:40   (  -0.01, 140.77) (  -0.99, 145.11)  494.68                80
 07/11/2025   04:04:38   (   0.01, 140.78) (  -0.21, 139.80)  111.66                80
 07/12/2025   03:48:33   (   0.01, 140.78) (   0.79, 144.33)  404.53                80
 07/13/2025   16:10:20   (  -0.00, 140.77) (   0.40, 139.07)  194.88                80
 07/14/2025   15:48:57   (   0.00, 140.77) (  -0.66, 143.59)  321.56                80
 07/16/2025   04:10:54   (  -0.00, 140.78) (  -0.54, 138.28)  283.84                80
 07/17/2025   03:54:50   (  -0.00, 140.77) (   0.47, 142.81)  233.18                80
 07/18/2025   16:16:37   (   0.01, 140.75) (   0.73, 137.55)  364.87                80
 07/19/2025   15:55:13   (   0.01, 140.74) (  -0.27, 142.08)  152.07                80