Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 1 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/02/2023   22:35:20   (  -0.02,-137.32) (  -0.09,-137.57)   28.71                80
 01/03/2023   22:19:16   (  -0.02,-137.31) (   0.93,-133.04)  486.59                80
 01/05/2023   10:41:05   (   0.02,-137.30) (   0.24,-138.31)  115.47                80
 01/06/2023   10:19:42   (   0.02,-137.28) (  -0.78,-133.78)  399.32                80
 01/07/2023   22:41:39   (  -0.02,-137.26) (  -0.44,-139.08)  208.13                80
 01/08/2023   22:25:36   (  -0.01,-137.24) (   0.58,-134.55)  306.43                80
 01/10/2023   10:47:25   (   0.01,-137.22) (   0.58,-139.83)  296.42                80
 01/11/2023   10:26:02   (   0.00,-137.21) (  -0.44,-135.30)  217.80                80
 01/12/2023   22:47:59   (  -0.00,-137.17) (  -0.77,-140.60)  390.44                80
 01/13/2023   22:31:55   (   0.00,-137.15) (   0.26,-136.07)  123.63                80
 01/15/2023   10:53:44   (  -0.00,-137.13) (   0.96,-141.33)  479.90                80