Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 3 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)
 03/06/2020   10:45:38   (   0.01,-137.21) (   0.61,-139.81)  296.78                80
 03/07/2020   10:24:13   (   0.01,-137.21) (  -0.40,-135.28)  218.73                80
 03/08/2020   22:46:11   (  -0.01,-137.19) (  -0.76,-140.59)  387.69                80
 03/09/2020   22:30:06   (  -0.00,-137.18) (   0.25,-136.06)  127.66                80
 03/11/2020   10:51:54   (   0.00,-137.17) (   0.92,-141.34)  474.20                80
 03/12/2020   10:30:30   (   0.00,-137.16) (  -0.09,-136.81)   40.82                80
 03/14/2020   22:33:42   (  -0.00,-137.12) (  -0.11,-137.57)   51.92                80
 03/15/2020   22:17:37   (  -0.00,-137.10) (   0.90,-133.04)  462.61                80
 03/17/2020   10:39:26   (   0.01,-137.08) (   0.26,-138.32)  140.55                80
 03/18/2020   10:18:01   (   0.01,-137.06) (  -0.75,-133.79)  373.57                80
 03/19/2020   22:39:57   (  -0.00,-137.02) (  -0.46,-139.09)  235.17                80