Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 10 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/28/2019   22:24:27   (  -0.01,-137.20) (   0.58,-134.58)  298.06                80
 10/30/2019   10:43:35   (   0.01,-137.19) (   0.60,-139.85)  303.64                80
 10/31/2019   10:27:29   (   0.01,-137.18) (  -0.38,-135.31)  211.90                80
 11/01/2019   22:46:46   (  -0.00,-137.16) (  -0.77,-140.63)  394.40                80
 11/02/2019   22:30:40   (  -0.00,-137.15) (   0.22,-136.09)  120.82                80
 11/04/2019   10:49:47   (   0.00,-137.14) (   0.96,-141.36)  481.82                80
 11/05/2019   10:33:43   (   0.00,-137.12) (  -0.09,-136.84)   33.29                80
 11/07/2019   22:34:13   (   0.00,-137.09) (  -0.13,-137.60)   58.96                80
 11/08/2019   22:18:08   (   0.00,-137.07) (   0.92,-133.08)  455.75                80
 11/10/2019   10:37:15   (  -0.00,-137.04) (   0.31,-138.34)  147.75                80