Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 8 12.  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)
 08/14/2024   04:10:33   (   0.01, 140.74) (  -0.54, 138.42)  264.94                80
 08/15/2024   03:54:28   (   0.01, 140.73) (   0.50, 142.95)  252.57                80
 08/16/2024   16:16:16   (  -0.02, 140.72) (   0.69, 137.69)  345.96                80
 08/17/2024   15:54:51   (  -0.02, 140.71) (  -0.36, 142.22)  171.75                80
 08/19/2024   04:16:46   (   0.02, 140.70) (  -0.83, 136.92)  430.56                80
 08/20/2024   04:00:41   (   0.02, 140.68) (   0.17, 141.46)   87.96                80
 08/22/2024   16:01:03   (  -0.01, 140.64) (  -0.04, 140.73)   10.35                80
 08/25/2024   04:04:12   (   0.02, 140.60) (  -0.13, 139.97)   71.03                80
 08/26/2024   03:48:06   (   0.01, 140.58) (   0.91, 144.51)  448.50                80