Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 13.  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) (   0.88,-141.29)  453.47                80
 12/15/2022   10:31:46   (  -0.00,-137.30) (  -0.12,-136.76)   61.47                80
 12/17/2022   22:37:41   (   0.00,-137.26) (  -0.08,-137.53)   31.00                80
 12/18/2022   22:17:07   (   0.01,-137.25) (   0.99,-133.01)  483.73                31
 12/20/2022   10:40:48   (   0.00,-137.23) (   0.21,-138.28)  118.94                80
 12/21/2022   10:19:24   (   0.00,-137.22) (  -0.79,-133.75)  395.00                80
 12/22/2022   22:44:01   (  -0.01,-137.17) (  -0.46,-139.05)  214.25                80
 12/23/2022   22:22:39   (  -0.01,-137.15) (   0.61,-134.53)  299.10                80
 12/25/2022   10:47:08   (   0.01,-137.12) (   0.59,-139.80)  305.36                80
 12/26/2022   10:25:45   (   0.00,-137.09) (  -0.42,-135.27)  207.50                80