Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 8 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)
 08/20/2024   04:00:42   (   0.00, 140.75) (   0.16, 141.46)   80.51                80
 08/22/2024   16:01:04   (   0.00, 140.75) (   0.03, 140.73)    2.91                80
 08/25/2024   04:04:15   (  -0.00, 140.74) (  -0.16, 139.97)   87.42                80
 08/26/2024   03:48:10   (  -0.00, 140.73) (   0.84, 144.51)  430.23                80
 08/27/2024   16:09:57   (  -0.00, 140.72) (   0.32, 139.24)  168.38                80
 08/28/2024   15:48:31   (  -0.00, 140.71) (  -0.68, 143.78)  349.43                80
 08/30/2024   04:10:27   (   0.01, 140.70) (  -0.48, 138.48)  252.35                80
 08/31/2024   03:54:21   (   0.00, 140.68) (   0.53, 143.02)  266.30                80
 09/01/2024   16:16:08   (  -0.01, 140.65) (   0.67, 137.76)  330.15                80