Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 11 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2019   10:31:03   (  -0.00,-137.20) (  -0.08,-136.83)   42.03                80
 11/07/2019   22:34:14   (   0.00,-137.18) (  -0.08,-137.61)   48.10                80
 11/08/2019   22:18:08   (   0.00,-137.18) (   0.91,-133.07)  467.59                80
 11/10/2019   10:39:55   (  -0.00,-137.17) (   0.26,-138.34)  133.76                80
 11/11/2019   10:18:30   (  -0.00,-137.16) (  -0.73,-133.81)  381.49                80
 11/12/2019   22:40:26   (   0.00,-137.13) (  -0.42,-139.12)  225.84                80
 11/13/2019   22:24:21   (   0.00,-137.12) (   0.57,-134.58)  288.95                80
 11/15/2019   10:43:28   (   0.00,-137.10) (   0.59,-139.86)  313.92                80
 11/16/2019   10:27:23   (   0.01,-137.07) (  -0.40,-135.32)  200.33                80
 11/17/2019   22:46:38   (  -0.01,-137.03) (  -0.81,-140.62)  408.67                80
 11/18/2019   22:30:32   (  -0.01,-137.01) (   0.19,-136.08)  105.10                80