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   10:49:47   (   0.00,-137.20) (   0.96,-141.36)  474.19                80
 11/05/2019   10:33:43   (   0.00,-137.20) (  -0.08,-136.83)   41.67                80
 11/07/2019   22:34:14   (  -0.00,-137.17) (  -0.08,-137.61)   49.11                80
 11/08/2019   22:18:08   (  -0.00,-137.17) (   0.91,-133.07)  466.47                80
 11/10/2019   10:37:15   (   0.01,-137.16) (   0.26,-138.34)  134.97                80
 11/11/2019   10:21:10   (   0.01,-137.15) (  -0.73,-133.81)  380.24                80
 11/12/2019   22:40:25   (  -0.01,-137.12) (  -0.47,-139.11)  227.35                80
 11/13/2019   22:24:20   (  -0.02,-137.10) (   0.52,-134.57)  287.37                80
 11/15/2019   10:43:27   (   0.02,-137.08) (   0.65,-139.84)  315.61                80
 11/16/2019   10:27:22   (   0.03,-137.05) (  -0.35,-135.31)  198.44                80