Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 24.  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)
 03/26/2025   04:10:29   (  -0.04, 140.76) (  -0.53, 138.42)  266.42                80
 03/27/2025   03:54:23   (  -0.04, 140.76) (   0.43, 142.97)  251.21                80
 03/28/2025   16:16:09   (   0.04, 140.74) (   0.72, 137.70)  346.83                80
 03/29/2025   15:54:44   (   0.04, 140.73) (  -0.31, 142.23)  170.93                80
 03/31/2025   04:16:39   (  -0.04, 140.72) (  -0.85, 136.93)  431.49                80
 04/01/2025   04:00:32   (  -0.03, 140.71) (   0.12, 141.47)   86.72                80
 04/03/2025   16:00:52   (   0.04, 140.67) (   0.03, 140.74)    8.03                80
 04/06/2025   04:04:00   (  -0.05, 140.63) (  -0.22, 139.98)   74.44                80
 04/07/2025   03:47:55   (  -0.05, 140.61) (   0.84, 144.51)  445.02                80