Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 23.  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)
 06/25/2025   04:04:31   (   0.04, 140.76) (  -0.17, 139.82)  107.38                80
 06/26/2025   03:48:27   (   0.04, 140.76) (   0.82, 144.36)  409.47                80
 06/27/2025   16:10:15   (  -0.04, 140.74) (   0.34, 139.08)  189.75                80
 06/28/2025   15:48:51   (  -0.04, 140.73) (  -0.66, 143.61)  327.69                80
 06/30/2025   04:10:49   (   0.04, 140.71) (  -0.49, 138.30)  274.80                80
 07/01/2025   03:54:44   (   0.04, 140.69) (   0.50, 142.83)  243.42                80
 07/02/2025   16:16:33   (  -0.04, 140.66) (   0.65, 137.55)  353.64                80
 07/03/2025   15:55:08   (  -0.04, 140.64) (  -0.35, 142.09)  164.80                80
 07/05/2025   04:17:07   (   0.04, 140.60) (  -0.80, 136.77)  436.70                80
 07/06/2025   04:01:02   (   0.04, 140.58) (   0.20, 141.30)   82.08                80