Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 2 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/08/2020   10:51:44   (   0.05,-137.22) (   0.93,-141.28)  461.89                80
 02/09/2020   10:30:20   (   0.05,-137.22) (  -0.07,-136.75)   54.16                80
 02/11/2020   22:33:32   (  -0.05,-137.21) (  -0.15,-137.52)   35.80                80
 02/12/2020   22:17:28   (  -0.05,-137.21) (   0.91,-133.00)  480.10                80
 02/14/2020   10:39:16   (   0.05,-137.20) (   0.28,-138.27)  121.08                80
 02/15/2020   10:17:52   (   0.05,-137.20) (  -0.72,-133.74)  394.25                80
 02/16/2020   22:39:48   (  -0.06,-137.17) (  -0.49,-139.04)  212.63                80
 02/17/2020   22:23:44   (  -0.06,-137.16) (   0.51,-134.51)  302.45                80
 02/19/2020   10:45:32   (   0.07,-137.15) (   0.68,-139.78)  299.70                80
 02/20/2020   10:24:08   (   0.07,-137.14) (  -0.33,-135.24)  215.01                80