Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2022   10:53:09   (   0.00,-137.30) (   0.91,-141.28)  453.45                80
 12/15/2022   10:31:46   (  -0.00,-137.30) (  -0.15,-136.76)   61.53                80
 12/17/2022   22:35:01   (   0.01,-137.26) (  -0.05,-137.54)   30.90                80
 12/18/2022   22:18:58   (   0.01,-137.25) (   0.95,-133.01)  483.75                80
 12/20/2022   10:40:47   (   0.00,-137.23) (   0.25,-138.28)  118.88                80
 12/21/2022   10:19:23   (   0.00,-137.22) (  -0.76,-133.75)  395.05                80
 12/22/2022   22:41:22   (  -0.01,-137.17) (  -0.43,-139.05)  214.18                80
 12/23/2022   22:22:38   (  -0.01,-137.15) (   0.58,-134.52)  299.13                80
 12/25/2022   10:47:08   (   0.01,-137.12) (   0.61,-139.79)  305.28                80
 12/26/2022   10:25:44   (   0.00,-137.09) (  -0.40,-135.26)  207.57                80
 12/27/2022   22:50:22   (  -0.01,-137.04) (  -0.78,-140.57)  402.79                80