Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 27.  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)
 08/28/2025   04:04:40   (  -0.01, 140.73) (  -0.21, 139.79)  106.28                80
 08/29/2025   03:48:34   (  -0.01, 140.72) (   0.77, 144.33)  411.32                80
 08/30/2025   16:10:23   (   0.00, 140.70) (   0.38, 139.06)  187.85                80
 08/31/2025   15:48:58   (  -0.00, 140.69) (  -0.66, 143.58)  329.55                80
 09/02/2025   04:10:53   (   0.01, 140.68) (  -0.53, 138.29)  272.77                80
 09/03/2025   03:54:49   (   0.00, 140.66) (   0.51, 142.81)  245.35                80
 09/04/2025   16:16:36   (   0.00, 140.64) (   0.70, 137.55)  352.36                80
 09/05/2025   15:55:12   (   0.00, 140.62) (  -0.34, 142.08)  165.97                80
 09/07/2025   04:17:07   (  -0.01, 140.60) (  -0.84, 136.77)  435.20                80
 09/08/2025   04:01:02   (  -0.01, 140.58) (   0.15, 141.31)   83.77                80
 09/10/2025   16:01:24   (   0.01, 140.51) (   0.01, 140.58)    6.97                80