Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 9 22.  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)
 09/23/2025   04:16:57   (   0.03, 140.72) (  -0.82, 136.82)  444.03                80
 09/24/2025   04:00:52   (   0.03, 140.69) (   0.19, 141.36)   76.40                80
 09/26/2025   16:01:14   (  -0.03, 140.60) (  -0.04, 140.62)    2.45                80
 09/29/2025   04:04:23   (   0.03, 140.52) (  -0.10, 139.86)   75.23                80
 09/30/2025   03:48:18   (   0.04, 140.48) (   0.91, 144.39)  445.66                80
 10/01/2025   16:10:05   (  -0.04, 140.42) (   0.23, 139.12)  147.56                80
 10/02/2025   15:48:40   (  -0.05, 140.38) (  -0.78, 143.65)  373.54                80
 10/04/2025   04:10:35   (   0.05, 140.32) (  -0.36, 138.35)  223.68                80
 10/05/2025   03:54:30   (   0.05, 140.27) (   0.65, 142.88)  298.23                80