Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 6 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2025   22:34:27   (  -0.00,-137.01) (  -0.17,-137.66)   74.77                80
 06/05/2025   22:18:23   (  -0.00,-137.01) (   0.86,-133.13)  441.61                80
 06/07/2025   10:37:31   (   0.01,-137.01) (   0.35,-138.40)  159.52                80
 06/08/2025   10:21:28   (   0.01,-137.00) (  -0.69,-133.88)  356.43                80
 06/09/2025   22:40:45   (  -0.02,-137.00) (  -0.50,-139.19)  249.13                80
 06/10/2025   22:24:41   (  -0.02,-136.99) (   0.48,-134.65)  266.27                80
 06/12/2025   10:43:49   (   0.03,-136.97) (   0.71,-139.92)  336.32                80
 06/13/2025   10:25:06   (   0.03,-136.96) (  -0.33,-135.40)  178.60                80
 06/14/2025   22:47:03   (  -0.03,-136.94) (  -0.86,-140.71)  428.44                80
 06/15/2025   22:30:58   (  -0.04,-136.93) (   0.13,-136.17)   86.12                80