Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 8.  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)
 03/10/2025   04:10:37   (  -0.03, 140.77) (  -0.54, 138.41)  268.57                80
 03/11/2025   03:54:32   (  -0.03, 140.76) (   0.43, 142.95)  248.53                80
 03/12/2025   16:16:19   (   0.04, 140.74) (   0.72, 137.67)  348.94                80
 03/13/2025   15:54:54   (   0.04, 140.72) (  -0.31, 142.20)  168.58                80
 03/15/2025   04:16:51   (  -0.04, 140.72) (  -0.90, 136.90)  435.17                80
 03/16/2025   03:58:06   (  -0.04, 140.70) (   0.14, 141.42)   82.97                80
 03/18/2025   16:01:08   (   0.04, 140.64) (   0.03, 140.69)    5.28                80
 03/21/2025   04:04:20   (  -0.04, 140.61) (  -0.17, 139.91)   79.25                80
 03/22/2025   03:45:34   (  -0.04, 140.59) (   0.82, 144.45)  439.53                80