Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 10 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2020   10:33:40   (   0.04,-137.21) (  -0.07,-136.79)   47.85                80
 10/08/2020   22:34:11   (  -0.03,-137.19) (  -0.09,-137.57)   42.04                80
 10/09/2020   22:18:05   (  -0.03,-137.19) (   0.89,-133.03)  473.49                80
 10/11/2020   10:37:13   (   0.02,-137.17) (   0.29,-138.30)  128.97                80
 10/12/2020   10:21:08   (   0.02,-137.16) (  -0.76,-133.78)  386.05                80
 10/13/2020   22:40:24   (  -0.01,-137.14) (  -0.44,-139.08)  221.09                80
 10/14/2020   22:24:18   (  -0.01,-137.12) (   0.55,-134.54)  293.77                80
 10/16/2020   10:43:25   (   0.01,-137.10) (   0.63,-139.81)  309.42                80
 10/17/2020   10:27:20   (   0.01,-137.08) (  -0.36,-135.28)  205.08                80
 10/18/2020   22:46:36   (  -0.01,-137.05) (  -0.78,-140.59)  403.20                80