Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 4.  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)
 06/06/2025   16:03:48   (  -0.02, 140.75) (  -0.01, 140.64)   11.58                80
 06/09/2025   04:04:22   (   0.02, 140.72) (  -0.15, 139.86)   97.43                80
 06/10/2025   03:48:18   (   0.02, 140.71) (   0.83, 144.39)  419.95                80
 06/11/2025   16:10:06   (  -0.02, 140.69) (   0.36, 139.12)  179.55                80
 06/12/2025   15:48:42   (  -0.01, 140.68) (  -0.69, 143.65)  337.95                80
 06/14/2025   04:10:40   (   0.01, 140.66) (  -0.51, 138.34)  264.35                80
 06/15/2025   03:54:35   (   0.00, 140.64) (   0.48, 142.87)  253.78                80
 06/16/2025   16:16:23   (   0.00, 140.61) (   0.70, 137.60)  344.10                80
 06/17/2025   15:55:00   (   0.01, 140.60) (  -0.35, 142.12)  174.29                80