Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 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)
 12/06/2022   22:41:00   (  -0.00,-137.32) (  -0.40,-139.01)  192.13                80
 12/07/2022   22:24:57   (  -0.01,-137.33) (   0.65,-134.49)  324.02                80
 12/09/2022   10:46:47   (   0.01,-137.33) (   0.57,-139.75)  276.42                80
 12/10/2022   10:25:24   (   0.01,-137.33) (  -0.48,-135.23)  239.32                80
 12/11/2022   22:47:23   (  -0.02,-137.31) (  -0.73,-140.54)  367.16                80
 12/12/2022   22:31:19   (  -0.01,-137.31) (   0.27,-136.01)  148.19                80
 12/14/2022   10:53:09   (   0.01,-137.31) (   0.89,-141.29)  453.15                80
 12/15/2022   10:31:46   (   0.00,-137.30) (  -0.11,-136.76)   61.84                80
 12/17/2022   22:35:02   (   0.00,-137.27) (  -0.04,-137.54)   30.86                80
 12/18/2022   22:18:58   (   0.00,-137.26) (   0.96,-133.01)  483.90                80