Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 6 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/30/2022   22:21:38   (  -0.03,-137.19) (   0.60,-134.51)  306.97                80
 07/02/2022   10:46:08   (   0.03,-137.18) (   0.58,-139.78)  295.22                80
 07/03/2022   10:24:43   (   0.03,-137.18) (  -0.38,-135.24)  219.86                80
 07/04/2022   22:49:22   (  -0.04,-137.16) (  -0.79,-140.55)  386.54                80
 07/05/2022   22:27:58   (  -0.03,-137.15) (   0.23,-136.03)  128.25                80
 07/07/2022   10:52:27   (   0.04,-137.13) (   0.95,-141.30)  474.89                80
 07/08/2022   10:31:04   (   0.03,-137.12) (  -0.07,-136.78)   39.39                80
 07/10/2022   22:36:58   (  -0.02,-137.07) (  -0.13,-137.55)   55.23                80
 07/11/2022   22:15:34   (  -0.01,-137.05) (   0.89,-133.03)  458.00                80
 07/13/2022   10:40:04   (   0.01,-137.01) (   0.29,-138.30)  147.61                80