Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 10 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)
 10/30/2019   10:43:35   (   0.00,-137.21) (   0.57,-139.86)  300.91                80
 10/31/2019   10:27:30   (   0.00,-137.21) (  -0.42,-135.32)  215.58                80
 11/01/2019   22:46:45   (  -0.00,-137.21) (  -0.80,-140.62)  389.68                80
 11/02/2019   22:30:41   (  -0.00,-137.20) (   0.25,-136.10)  126.46                80
 11/04/2019   10:49:48   (   0.00,-137.20) (   0.92,-141.37)  474.30                80
 11/05/2019   10:33:42   (  -0.00,-137.20) (  -0.06,-136.83)   41.67                80
 11/07/2019   22:34:13   (  -0.00,-137.18) (  -0.10,-137.61)   48.56                80
 11/08/2019   22:18:08   (   0.00,-137.17) (   0.89,-133.07)  467.06                80
 11/10/2019   10:37:15   (  -0.00,-137.16) (   0.28,-138.34)  134.59                80
 11/11/2019   10:21:11   (  -0.00,-137.15) (  -0.77,-133.82)  380.64                80