Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 7 29.  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)
 07/30/2025   15:49:00   (   0.02, 140.75) (  -0.63, 143.58)  322.70                80
 08/01/2025   04:10:57   (  -0.01, 140.72) (  -0.53, 138.27)  278.41                80
 08/02/2025   03:54:53   (   0.01, 140.70) (   0.49, 142.80)  238.88                80
 08/03/2025   16:16:40   (  -0.01, 140.70) (   0.71, 137.53)  361.60                80
 08/04/2025   15:55:16   (  -0.01, 140.69) (  -0.31, 142.06)  156.09                80
 08/06/2025   04:17:12   (   0.00, 140.65) (  -0.89, 136.76)  444.31                80
 08/07/2025   04:01:08   (  -0.00, 140.64) (   0.13, 141.29)   73.96                80
 08/09/2025   16:04:11   (   0.01, 140.61) (  -0.01, 140.54)    7.43                80
 08/12/2025   04:04:42   (  -0.01, 140.54) (  -0.21, 139.78)   87.15                80