Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 11.  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)
 08/12/2025   04:04:42   (   0.00, 140.77) (  -0.19, 139.78)  112.20                80
 08/13/2025   03:48:37   (   0.00, 140.75) (   0.77, 144.32)  405.81                80
 08/14/2025   16:10:25   (  -0.00, 140.75) (   0.38, 139.04)  193.95                80
 08/15/2025   15:49:01   (   0.00, 140.73) (  -0.65, 143.57)  323.95                80
 08/17/2025   04:10:57   (  -0.01, 140.70) (  -0.52, 138.27)  276.43                80
 08/18/2025   03:54:52   (  -0.01, 140.68) (   0.45, 142.81)  241.95                80
 08/19/2025   16:16:40   (   0.01, 140.66) (   0.70, 137.53)  356.78                80
 08/20/2025   15:55:15   (   0.02, 140.65) (  -0.33, 142.06)  161.79                80
 08/22/2025   04:17:11   (  -0.02, 140.60) (  -0.89, 136.76)  437.50                80
 08/23/2025   04:01:06   (  -0.02, 140.57) (   0.15, 141.29)   81.99                80
 08/25/2025   16:01:30   (   0.02, 140.50) (  -0.02, 140.54)    6.02                80