Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 10.  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)
 03/10/2025   22:47:01   (  -0.01,-136.99) (  -0.82,-140.65)  416.63                80
 03/11/2025   22:30:56   (  -0.01,-137.00) (   0.21,-136.12)   99.98                80
 03/14/2025   10:31:18   (   0.00,-137.00) (  -0.04,-136.86)   16.26                80
 03/16/2025   22:34:30   (  -0.00,-137.00) (  -0.13,-137.63)   72.35                80
 03/17/2025   22:18:24   (  -0.00,-136.99) (   0.86,-133.10)  443.69                80
 03/19/2025   10:40:11   (   0.01,-136.98) (   0.35,-138.36)  157.71                80
 03/20/2025   10:18:46   (   0.01,-136.97) (  -0.70,-133.83)  357.86                80
 03/21/2025   22:40:43   (  -0.02,-136.95) (  -0.48,-139.14)  248.52                80
 03/22/2025   22:24:37   (  -0.02,-136.94) (   0.51,-134.60)  266.52                80
 03/24/2025   10:43:43   (   0.02,-136.91) (   0.69,-139.86)  336.42                80