Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 8 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/09/2020   10:18:18   (   0.03,-137.16) (  -0.76,-133.75)  389.14                80
 08/10/2020   22:40:15   (  -0.03,-137.15) (  -0.43,-139.06)  217.20                80
 08/11/2020   22:24:11   (  -0.02,-137.13) (   0.57,-134.52)  297.57                80
 08/13/2020   10:45:59   (   0.02,-137.11) (   0.61,-139.79)  306.15                80
 08/14/2020   10:24:35   (  -0.02,-137.09) (  -0.45,-135.27)  207.25                80
 08/15/2020   22:46:32   (   0.01,-137.06) (  -0.79,-140.57)  400.74                80
 08/16/2020   22:30:27   (   0.01,-137.03) (   0.20,-136.03)  113.18                80
 08/18/2020   10:52:16   (  -0.00,-136.99) (   0.97,-141.30)  491.72                80
 08/19/2020   10:30:51   (  -0.00,-136.96) (  -0.02,-136.77)   21.81                80
 08/21/2020   22:34:04   (   0.00,-136.89) (  -0.16,-137.54)   74.37                80
 08/22/2020   22:17:59   (  -0.00,-136.86) (   0.84,-133.01)  438.66                80