Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 25.  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)
 08/25/2025   16:04:10   (  -0.02, 140.75) (  -0.01, 140.55)   21.56                80
 08/26/2025   15:42:44   (  -0.02, 140.74) (  -0.98, 145.09)  496.07                80
 08/28/2025   04:04:41   (   0.02, 140.72) (  -0.16, 139.78)  106.16                80
 08/29/2025   03:48:35   (   0.02, 140.71) (   0.82, 144.32)  411.72                80
 08/30/2025   16:10:23   (  -0.03, 140.69) (   0.34, 139.05)  186.97                80
 08/31/2025   15:48:59   (  -0.03, 140.68) (  -0.70, 143.57)  330.82                80
 09/02/2025   04:10:54   (   0.04, 140.65) (  -0.49, 138.28)  271.11                80
 09/03/2025   03:54:50   (   0.04, 140.64) (   0.55, 142.80)  247.17                80
 09/04/2025   16:16:37   (  -0.05, 140.61) (   0.66, 137.54)  350.41                80
 09/05/2025   15:55:13   (  -0.05, 140.59) (  -0.38, 142.07)  168.11                80
 09/07/2025   04:17:08   (   0.05, 140.56) (  -0.80, 136.77)  432.75                80
 09/08/2025   04:01:03   (   0.05, 140.54) (   0.24, 141.29)   86.53                80