Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 10 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/31/2019   10:27:30   (   0.01,-137.21) (  -0.44,-135.33)  216.03                80
 11/01/2019   22:46:45   (  -0.01,-137.21) (  -0.77,-140.62)  389.34                80
 11/02/2019   22:30:40   (  -0.01,-137.21) (   0.21,-136.09)  126.91                80
 11/04/2019   10:49:47   (   0.00,-137.21) (   0.96,-141.36)  473.66                80
 11/05/2019   10:33:43   (   0.00,-137.21) (  -0.08,-136.83)   42.34                80
 11/07/2019   22:34:14   (  -0.00,-137.19) (  -0.08,-137.61)   47.87                80
 11/08/2019   22:18:08   (  -0.00,-137.18) (   0.91,-133.07)  467.86                80
 11/10/2019   10:37:15   (   0.00,-137.17) (   0.26,-138.35)  133.50                80
 11/11/2019   10:21:10   (   0.00,-137.16) (  -0.73,-133.81)  381.81                80
 11/12/2019   22:40:26   (  -0.00,-137.14) (  -0.42,-139.12)  225.51                80