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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2019   22:40:26   (  -0.01,-137.21) (  -0.42,-139.12)  216.78                80
 11/13/2019   22:24:21   (  -0.01,-137.21) (   0.57,-134.58)  299.32                80
 11/15/2019   10:46:08   (   0.01,-137.20) (   0.59,-139.85)  302.10                80
 11/16/2019   10:24:43   (   0.01,-137.19) (  -0.40,-135.32)  213.27                80
 11/17/2019   22:46:39   (  -0.01,-137.17) (  -0.75,-140.63)  393.69                80
 11/18/2019   22:30:33   (  -0.01,-137.15) (   0.24,-136.09)  121.29                80
 11/20/2019   10:52:21   (   0.00,-137.14) (   0.92,-141.36)  481.35                80
 11/21/2019   10:30:55   (   0.00,-137.12) (  -0.07,-136.83)   33.31                80
 11/23/2019   22:34:05   (  -0.00,-137.07) (  -0.14,-137.59)   60.14                80
 11/24/2019   22:18:01   (  -0.00,-137.05) (   0.91,-133.07)  454.28                80