Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 3 19.  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)
 03/19/2024   03:46:57   (  -0.03, 140.79) (   0.79, 144.42)  413.84                80
 03/20/2024   16:08:46   (   0.04, 140.78) (   0.39, 139.15)  185.34                80
 03/21/2024   15:47:23   (   0.03, 140.77) (  -0.63, 143.68)  331.42                80
 03/23/2024   04:09:23   (  -0.04, 140.77) (  -0.60, 138.38)  272.67                77
 03/24/2024   03:50:37   (  -0.04, 140.75) (   0.42, 142.91)  244.82                80
 03/25/2024   16:15:06   (   0.04, 140.72) (   0.75, 137.63)  352.55                80
 03/26/2024   15:53:43   (   0.04, 140.71) (  -0.28, 142.16)  165.10                80
 03/28/2024   04:18:21   (  -0.04, 140.69) (  -0.88, 136.84)  438.05                80
 03/29/2024   03:59:36   (  -0.04, 140.67) (   0.09, 141.38)   80.02                80
 03/31/2024   16:00:02   (   0.04, 140.62) (   0.04, 140.63)    1.46                80