Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 8 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2020   22:33:58   (   0.00,-137.18) (  -0.08,-137.55)   41.68                80
 08/06/2020   22:17:53   (   0.00,-137.18) (   0.91,-133.01)  474.72                80
 08/08/2020   10:39:42   (  -0.00,-137.18) (   0.27,-138.28)  125.89                80
 08/09/2020   10:18:18   (  -0.00,-137.18) (  -0.79,-133.76)  390.18                80
 08/10/2020   22:40:16   (   0.00,-137.17) (  -0.40,-139.07)  215.24                80
 08/11/2020   22:24:11   (   0.00,-137.17) (   0.60,-134.53)  300.49                80
 08/13/2020   10:45:59   (   0.00,-137.16) (   0.58,-139.80)  301.24                80
 08/14/2020   10:24:35   (   0.00,-137.14) (  -0.41,-135.27)  213.85                80
 08/15/2020   22:46:32   (  -0.00,-137.12) (  -0.77,-140.57)  393.29                80
 08/16/2020   22:30:28   (  -0.00,-137.11) (   0.23,-136.04)  121.34                80