Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 23.  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)
 03/24/2025   15:48:33   (   0.03, 140.77) (  -0.62, 143.73)  336.90                80
 03/26/2025   04:10:28   (  -0.04, 140.77) (  -0.58, 138.43)  266.59                80
 03/27/2025   03:54:23   (  -0.03, 140.76) (   0.44, 142.96)  250.95                80
 03/28/2025   16:16:09   (   0.04, 140.74) (   0.71, 137.69)  347.14                80
 03/29/2025   15:54:44   (   0.03, 140.73) (  -0.32, 142.23)  170.57                80
 03/31/2025   04:16:38   (  -0.03, 140.72) (  -0.90, 136.94)  431.97                80
 04/01/2025   04:00:33   (  -0.03, 140.71) (   0.14, 141.47)   86.16                80
 04/03/2025   16:00:52   (   0.04, 140.67) (   0.01, 140.74)    7.43                80
 04/06/2025   04:04:00   (  -0.05, 140.64) (  -0.20, 139.98)   75.26                80