Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 9 5.  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)
 09/07/2025   04:17:06   (   0.04, 140.75) (  -0.86, 136.78)  452.65                80
 09/08/2025   04:01:02   (   0.04, 140.74) (   0.19, 141.31)   65.94                80
 09/10/2025   16:01:24   (  -0.04, 140.69) (   0.01, 140.58)   13.05                80
 09/13/2025   04:04:33   (   0.04, 140.65) (  -0.17, 139.82)   95.10                80
 09/14/2025   03:48:29   (   0.04, 140.63) (   0.89, 144.34)  423.84                80
 09/15/2025   16:10:16   (  -0.04, 140.59) (   0.29, 139.07)  172.94                80
 09/16/2025   15:48:51   (  -0.04, 140.57) (  -0.71, 143.61)  346.26                80
 09/18/2025   04:10:46   (   0.05, 140.53) (  -0.43, 138.30)  253.54                80
 09/19/2025   03:54:41   (   0.05, 140.50) (   0.57, 142.84)  266.59                80