Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2022   22:41:22   (   0.01,-137.34) (  -0.41,-139.06)  196.14                80
 12/23/2022   22:25:20   (   0.01,-137.34) (   0.66,-134.54)  319.53                80
 12/25/2022   10:47:09   (  -0.00,-137.33) (   0.53,-139.81)  282.30                80
 12/26/2022   10:25:45   (  -0.00,-137.32) (  -0.48,-135.28)  233.14                80
 12/27/2022   22:47:43   (  -0.00,-137.31) (  -0.76,-140.58)  372.82                80
 12/28/2022   22:31:39   (  -0.00,-137.30) (   0.25,-136.05)  142.59                80
 12/30/2022   10:50:48   (   0.01,-137.29) (   0.93,-141.32)  459.52                80
 12/31/2022   10:34:45   (   0.01,-137.28) (  -0.09,-136.79)   55.64                80
 01/02/2023   22:35:20   (  -0.00,-137.25) (  -0.07,-137.57)   36.36                80
 01/03/2023   22:19:16   (  -0.00,-137.24) (   0.95,-133.04)  478.18                80