Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 11 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2020   10:36:56   (   0.02,-137.24) (   0.25,-138.30)  120.75                80
 11/13/2020   10:20:51   (   0.02,-137.24) (  -0.75,-133.76)  395.75                80
 11/14/2020   22:40:06   (  -0.02,-137.23) (  -0.44,-139.06)  209.28                80
 11/15/2020   22:24:01   (  -0.02,-137.22) (   0.56,-134.53)  306.75                80
 11/17/2020   10:43:08   (   0.02,-137.21) (   0.59,-139.80)  294.99                80
 11/18/2020   10:27:03   (   0.02,-137.20) (  -0.42,-135.27)  220.52                80
 11/19/2020   22:46:18   (  -0.01,-137.18) (  -0.77,-140.57)  385.86                80
 11/20/2020   22:30:12   (  -0.01,-137.17) (   0.23,-136.04)  129.48                80
 11/22/2020   10:49:20   (   0.01,-137.16) (   0.91,-141.31)  472.83                80
 11/23/2020   10:33:14   (   0.01,-137.14) (  -0.09,-136.78)   42.41                80
 11/25/2020   22:33:44   (  -0.01,-137.11) (  -0.09,-137.54)   49.42                80