Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 8 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/22/2020   22:18:01   (  -0.04,-137.18) (   0.92,-133.02)  474.17                80
 08/24/2020   10:39:48   (   0.04,-137.17) (   0.31,-138.28)  127.67                80
 08/25/2020   10:18:25   (   0.04,-137.16) (  -0.74,-133.76)  387.62                80
 08/26/2020   22:40:21   (  -0.03,-137.14) (  -0.49,-139.05)  218.96                80
 08/27/2020   22:24:17   (  -0.03,-137.13) (   0.57,-134.53)  295.90                80
 08/29/2020   10:43:26   (   0.02,-137.10) (   0.61,-139.80)  307.37                80
 08/30/2020   10:27:21   (   0.01,-137.09) (  -0.39,-135.27)  206.97                80
 08/31/2020   22:46:39   (   0.00,-137.06) (  -0.77,-140.58)  400.52                80
 09/01/2020   22:30:34   (   0.00,-137.05) (   0.23,-136.05)  114.08                80
 09/03/2020   10:49:42   (  -0.00,-137.02) (   0.95,-141.32)  489.29                80
 09/04/2020   10:33:38   (  -0.00,-137.00) (  -0.05,-136.78)   25.10                80