Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 8 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/14/2020   10:24:35   (   0.03,-137.18) (  -0.40,-135.26)  218.90                80
 08/15/2020   22:49:12   (  -0.02,-137.18) (  -0.79,-140.57)  385.99                80
 08/16/2020   22:30:28   (   0.02,-137.18) (   0.27,-136.05)  128.89                80
 08/18/2020   10:49:37   (  -0.01,-137.17) (   0.91,-141.32)  472.62                80
 08/19/2020   10:33:32   (  -0.01,-137.16) (  -0.09,-136.78)   42.97                80
 08/21/2020   22:34:05   (   0.00,-137.14) (  -0.09,-137.56)   47.54                80
 08/22/2020   22:18:01   (   0.00,-137.13) (   0.91,-133.02)  467.65                80
 08/24/2020   10:37:09   (  -0.00,-137.11) (   0.27,-138.29)  135.26                80
 08/25/2020   10:21:04   (  -0.00,-137.09) (  -0.73,-133.76)  379.39                80
 08/26/2020   22:40:22   (   0.00,-137.07) (  -0.44,-139.07)  228.00                80
 08/27/2020   22:24:17   (   0.00,-137.05) (   0.56,-134.54)  286.31                80