Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2019   18:35:08   (   0.02,-137.19) (  -0.22,-135.98)  136.46                80
 12/10/2019   06:51:30   (  -0.02,-137.17) (  -0.80,-140.58)  389.71                80
 12/11/2019   06:33:31   (  -0.02,-137.15) (   0.33,-135.59)  177.65                80
 12/12/2019   18:49:44   (   0.02,-137.12) (   0.72,-140.15)  345.01                80
 12/13/2019   18:31:45   (   0.03,-137.10) (  -0.41,-135.16)  221.95                80
 12/15/2019   06:48:06   (  -0.03,-137.07) (  -0.62,-139.75)  305.66                80
 12/16/2019   06:30:07   (  -0.04,-137.04) (   0.45,-134.75)  260.81                80
 12/17/2019   18:46:19   (   0.05,-137.00) (   0.59,-139.30)  263.16                80
 12/18/2019   18:28:21   (   0.05,-136.97) (  -0.54,-134.31)  303.08                80
 12/20/2019   06:44:42   (  -0.05,-136.93) (  -0.48,-138.91)  225.50                80
 12/21/2019   06:26:43   (  -0.05,-136.90) (   0.59,-133.91)  340.34                80