Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 3 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/04/2020   22:23:50   (   0.00,-137.22) (   0.60,-134.55)  304.09                80
 03/06/2020   10:45:39   (  -0.00,-137.21) (   0.57,-139.82)  297.02                80
 03/07/2020   10:24:14   (  -0.00,-137.21) (  -0.44,-135.29)  218.49                80
 03/08/2020   22:46:10   (   0.00,-137.19) (  -0.77,-140.59)  388.06                80
 03/09/2020   22:30:06   (   0.00,-137.18) (   0.24,-136.06)  127.28                80
 03/11/2020   10:51:54   (  -0.00,-137.17) (   0.93,-141.33)  474.56                80
 03/12/2020   10:30:30   (  -0.00,-137.16) (  -0.08,-136.80)   40.40                80
 03/14/2020   22:33:42   (   0.00,-137.11) (  -0.12,-137.57)   52.59                80
 03/15/2020   22:17:37   (  -0.00,-137.10) (   0.89,-133.04)  461.90                80
 03/17/2020   10:39:25   (   0.00,-137.07) (   0.27,-138.32)  141.24                80
 03/18/2020   10:18:01   (   0.00,-137.05) (  -0.74,-133.78)  372.85                80