Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 17.  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)
 12/17/2024   16:11:17   (   0.01, 140.74) (   0.43, 139.02)  197.16                80
 12/18/2024   15:49:52   (   0.00, 140.74) (  -0.61, 143.55)  320.26                80
 12/20/2024   04:14:26   (  -0.00, 140.72) (  -0.56, 138.25)  282.32                80
 12/21/2024   03:53:01   (   0.01, 140.71) (   0.49, 142.78)  236.01                80
 12/22/2024   16:17:26   (  -0.00, 140.68) (   0.73, 137.52)  360.53                80
 12/23/2024   15:56:00   (  -0.01, 140.66) (  -0.32, 142.05)  158.16                80
 12/25/2024   04:20:34   (   0.00, 140.64) (  -0.88, 136.75)  442.84                80
 12/26/2024   03:59:08   (   0.00, 140.61) (   0.17, 141.28)   76.42                80
 12/28/2024   16:04:47   (   0.01, 140.55) (   0.03, 140.56)    3.25                80