Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 5 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)
 05/05/2025   16:03:17   (   0.03, 140.77) (   0.00, 140.78)    2.64                80
 05/08/2025   04:03:51   (  -0.03, 140.75) (  -0.20, 140.00)   85.76                80
 05/09/2025   03:47:48   (  -0.03, 140.74) (   0.82, 144.53)  431.46                80
 05/10/2025   16:09:38   (   0.02, 140.72) (   0.35, 139.25)  167.62                80
 05/11/2025   15:48:14   (   0.02, 140.70) (  -0.67, 143.77)  349.67                80
 05/13/2025   04:10:12   (  -0.01, 140.69) (  -0.52, 138.46)  253.84                80
 05/14/2025   03:54:08   (  -0.01, 140.67) (   0.50, 142.99)  263.83                80
 05/15/2025   16:15:58   (   0.00, 140.64) (   0.65, 137.70)  334.35                80
 05/16/2025   15:57:15   (   0.01, 140.62) (  -0.38, 142.23)  183.56                80
 05/18/2025   04:16:31   (  -0.01, 140.60) (  -0.86, 136.93)  419.28                80