Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 21.  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)
 05/22/2025   10:37:19   (   0.01,-137.00) (   0.29,-138.35)  153.83                80
 05/23/2025   10:21:15   (   0.01,-137.00) (  -0.68,-133.82)  362.32                80
 05/24/2025   22:40:33   (  -0.01,-137.00) (  -0.46,-139.14)  242.37                80
 05/25/2025   22:24:28   (  -0.01,-137.00) (   0.51,-134.60)  273.22                80
 05/27/2025   10:43:38   (   0.01,-136.99) (   0.68,-139.87)  329.83                80
 05/28/2025   10:27:34   (   0.00,-136.98) (  -0.36,-135.35)  185.16                80
 05/29/2025   22:46:51   (  -0.00,-136.97) (  -0.83,-140.66)  421.13                80
 05/30/2025   22:30:48   (   0.00,-136.95) (   0.20,-136.14)   93.64                80
 06/02/2025   10:31:13   (  -0.01,-136.92) (   0.00,-136.88)    5.36                80