Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 5 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/06/2020   22:40:00   (   0.01,-137.19) (  -0.42,-139.08)  216.13                80
 05/07/2020   22:23:55   (   0.02,-137.19) (   0.60,-134.56)  299.79                80
 05/09/2020   10:45:42   (  -0.01,-137.18) (   0.59,-139.82)  301.58                80
 05/10/2020   10:24:18   (  -0.01,-137.17) (  -0.44,-135.29)  213.82                80
 05/11/2020   22:46:14   (   0.01,-137.15) (  -0.74,-140.59)  392.38                80
 05/12/2020   22:30:09   (   0.01,-137.14) (   0.23,-136.05)  122.95                80
 05/14/2020   10:51:56   (  -0.00,-137.12) (   0.96,-141.32)  479.06                80
 05/15/2020   10:30:32   (  -0.00,-137.11) (  -0.07,-136.79)   35.98                80
 05/17/2020   22:33:42   (   0.00,-137.07) (  -0.13,-137.55)   56.08                80
 05/18/2020   22:17:38   (   0.00,-137.05) (   0.90,-133.02)  458.80                80
 05/20/2020   10:39:25   (  -0.00,-137.03) (   0.30,-138.29)  144.13                80