Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 1 9.  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)
 01/10/2025   04:17:21   (  -0.02, 140.77) (  -0.88, 136.86)  444.97                80
 01/11/2025   04:01:14   (  -0.01, 140.77) (   0.11, 141.41)   72.54                80
 01/13/2025   16:04:12   (   0.01, 140.75) (   0.03, 140.68)    7.48                80
 01/16/2025   04:04:36   (  -0.01, 140.73) (  -0.21, 139.93)   91.59                80
 01/17/2025   03:48:30   (  -0.01, 140.72) (   0.85, 144.47)  427.31                80
 01/18/2025   16:10:14   (   0.00, 140.68) (   0.32, 139.21)  168.02                80
 01/19/2025   15:48:47   (  -0.00, 140.67) (  -0.68, 143.75)  351.23                80
 01/21/2025   04:10:39   (  -0.00, 140.65) (  -0.48, 138.46)  249.50                80
 01/22/2025   03:54:32   (  -0.00, 140.63) (   0.53, 143.00)  270.35                80
 01/23/2025   16:16:16   (   0.01, 140.58) (   0.63, 137.74)  323.46                80