Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 11 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2019   22:42:58   (  -0.00,-137.20) (  -0.44,-139.10)  216.87                80
 11/29/2019   22:21:33   (   0.00,-137.20) (   0.62,-134.58)  298.96                80
 12/01/2019   10:46:00   (  -0.00,-137.19) (   0.59,-139.84)  302.16                80
 12/02/2019   10:24:34   (  -0.01,-137.18) (  -0.41,-135.31)  213.42                80
 12/03/2019   22:49:11   (   0.00,-137.17) (  -0.74,-140.62)  392.54                80
 12/04/2019   22:27:45   (   0.01,-137.16) (   0.26,-136.08)  122.88                80
 12/06/2019   10:52:11   (  -0.00,-137.15) (   0.94,-141.34)  478.76                80
 12/07/2019   10:30:46   (  -0.01,-137.13) (  -0.05,-136.81)   36.46                80
 12/09/2019   22:36:37   (  -0.00,-137.09) (  -0.09,-137.59)   55.70                80
 12/10/2019   22:15:11   (   0.00,-137.07) (   0.91,-133.05)  458.82                80