Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 11 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/02/2020   10:27:12   (   0.02,-137.22) (  -0.40,-135.28)  220.64                80
 11/03/2020   22:46:28   (  -0.02,-137.21) (  -0.79,-140.58)  384.30                80
 11/04/2020   22:30:23   (  -0.02,-137.21) (   0.26,-136.06)  131.95                80
 11/06/2020   10:49:29   (   0.02,-137.21) (   0.95,-141.32)  469.25                80
 11/07/2020   10:33:25   (   0.02,-137.20) (  -0.10,-136.80)   46.50                80
 11/09/2020   22:33:55   (  -0.01,-137.17) (  -0.09,-137.56)   44.71                80
 11/10/2020   22:17:49   (  -0.01,-137.16) (   0.91,-133.03)  470.58                80
 11/12/2020   10:36:57   (   0.01,-137.14) (   0.24,-138.30)  131.73                80
 11/13/2020   10:20:51   (   0.01,-137.13) (  -0.76,-133.77)  383.19                80
 11/14/2020   22:40:06   (  -0.01,-137.10) (  -0.43,-139.07)  224.58                80