Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 7 14.  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)
 07/16/2025   04:10:54   (  -0.02, 140.76) (  -0.56, 138.29)  281.56                80
 07/17/2025   03:54:49   (  -0.02, 140.75) (   0.44, 142.82)  235.33                80
 07/18/2025   16:16:38   (   0.01, 140.74) (   0.70, 137.54)  364.13                80
 07/19/2025   15:55:13   (  -0.01, 140.74) (  -0.31, 142.07)  152.31                80
 07/21/2025   04:17:10   (   0.01, 140.73) (  -0.88, 136.77)  451.99                80
 07/22/2025   04:01:06   (   0.01, 140.72) (   0.13, 141.30)   65.34                80
 07/24/2025   16:04:09   (  -0.00, 140.69) (   0.06, 140.56)   15.38                80
 07/27/2025   04:04:42   (  -0.00, 140.65) (  -0.22, 139.78)   99.42                80
 07/28/2025   03:48:37   (  -0.00, 140.63) (   0.79, 144.31)  419.43                80