Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 9 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2020   10:49:42   (   0.04,-137.18) (   0.95,-141.31)  470.32                80
 09/04/2020   10:33:38   (   0.04,-137.18) (  -0.05,-136.78)   45.37                80
 09/06/2020   22:34:11   (  -0.04,-137.15) (  -0.11,-137.56)   45.56                80
 09/07/2020   22:18:06   (  -0.04,-137.14) (   0.89,-133.02)  469.67                80
 09/09/2020   10:37:15   (   0.03,-137.13) (   0.28,-138.29)  132.75                80
 09/10/2020   10:21:10   (   0.03,-137.11) (  -0.72,-133.76)  381.82                80
 09/11/2020   22:40:26   (  -0.03,-137.08) (  -0.49,-139.06)  226.45                80
 09/12/2020   22:24:23   (  -0.02,-137.06) (   0.57,-134.54)  287.60                80
 09/14/2020   10:43:31   (   0.01,-137.03) (   0.60,-139.81)  316.54                80
 09/15/2020   10:27:27   (   0.01,-137.00) (  -0.40,-135.28)  197.12                80