Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 11 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/04/2019   10:52:28   (   0.00,-137.21) (   0.92,-141.37)  473.91                80
 11/05/2019   10:31:02   (   0.00,-137.20) (  -0.06,-136.83)   42.16                80
 11/07/2019   22:34:13   (  -0.00,-137.18) (  -0.10,-137.60)   48.12                80
 11/08/2019   22:18:09   (  -0.00,-137.18) (   0.95,-133.08)  467.60                80
 11/10/2019   10:39:55   (  -0.00,-137.17) (   0.28,-138.34)  133.60                80
 11/11/2019   10:18:31   (  -0.00,-137.16) (  -0.77,-133.82)  381.70                80
 11/12/2019   22:40:26   (   0.00,-137.13) (  -0.44,-139.12)  225.71                80
 11/13/2019   22:24:20   (  -0.00,-137.12) (   0.55,-134.58)  289.12                80
 11/15/2019   10:43:28   (   0.01,-137.10) (   0.61,-139.85)  313.59                80
 11/16/2019   10:27:22   (   0.01,-137.08) (  -0.38,-135.32)  200.64                80