Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 13.  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)
 06/14/2025   04:10:40   (   0.02, 140.77) (  -0.52, 138.34)  276.78                80
 06/15/2025   03:54:35   (   0.02, 140.77) (   0.47, 142.88)  239.78                80
 06/16/2025   16:16:24   (  -0.02, 140.76) (   0.71, 137.60)  360.47                80
 06/17/2025   15:55:00   (  -0.01, 140.76) (  -0.34, 142.13)  156.38                80
 06/19/2025   04:16:57   (   0.02, 140.74) (  -0.87, 136.82)  447.50                80
 06/20/2025   04:00:54   (   0.02, 140.73) (   0.18, 141.34)   69.87                80
 06/22/2025   16:03:58   (  -0.03, 140.71) (  -0.01, 140.60)   12.00                80
 06/25/2025   04:04:32   (   0.03, 140.68) (  -0.14, 139.81)   98.24                80
 06/26/2025   03:48:27   (   0.03, 140.67) (   0.86, 144.35)  419.70                80
 06/27/2025   16:10:15   (  -0.04, 140.63) (   0.30, 139.07)  177.79                80