Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 8 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/29/2020   10:46:06   (   0.05,-137.20) (   0.60,-139.80)  295.79                80
 08/30/2020   10:24:41   (   0.05,-137.20) (  -0.40,-135.27)  219.96                80
 08/31/2020   22:46:38   (  -0.04,-137.18) (  -0.78,-140.58)  386.53                80
 09/01/2020   22:30:34   (  -0.04,-137.18) (   0.22,-136.04)  129.16                80
 09/03/2020   10:49:42   (   0.04,-137.17) (   0.95,-141.32)  471.66                80
 09/04/2020   10:33:38   (   0.04,-137.17) (  -0.05,-136.78)   43.85                80
 09/06/2020   22:34:11   (  -0.04,-137.13) (  -0.11,-137.56)   48.03                80
 09/07/2020   22:18:06   (  -0.04,-137.12) (   0.89,-133.03)  467.00                80
 09/09/2020   10:37:14   (   0.03,-137.11) (   0.28,-138.30)  135.25                80
 09/10/2020   10:21:10   (   0.03,-137.09) (  -0.72,-133.76)  379.13                80
 09/11/2020   22:40:26   (  -0.02,-137.05) (  -0.50,-139.06)  229.89                80