Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 21.  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)
 12/22/2024   16:17:26   (  -0.00, 140.76) (   0.74, 137.52)  368.98                80
 12/23/2024   15:56:00   (  -0.00, 140.76) (  -0.31, 142.05)  147.65                80
 12/25/2024   04:17:53   (   0.00, 140.77) (  -0.90, 136.76)  456.78                80
 12/26/2024   04:01:47   (   0.00, 140.76) (   0.10, 141.30)   60.34                80
 12/28/2024   16:04:47   (  -0.01, 140.75) (   0.05, 140.57)   21.64                80
 12/29/2024   15:43:20   (  -0.01, 140.75) (  -0.95, 145.11)  495.53                80
 12/31/2024   04:05:14   (   0.01, 140.75) (  -0.23, 139.81)  108.20                80
 01/01/2025   03:49:07   (   0.01, 140.75) (   0.78, 144.35)  409.48                80
 01/02/2025   16:10:53   (  -0.00, 140.73) (   0.35, 139.07)  188.23                80
 01/03/2025   15:49:27   (  -0.00, 140.72) (  -0.66, 143.61)  329.78                80