Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 5 16.  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)
 05/17/2019   06:33:58   (   0.02,-137.18) (   0.16,-136.48)   79.08                80
 05/18/2019   18:52:50   (  -0.01,-137.20) (   0.82,-141.05)  438.14                80
 05/19/2019   18:34:51   (  -0.01,-137.19) (  -0.27,-136.05)  130.33                80
 05/21/2019   06:53:51   (   0.00,-137.15) (  -0.80,-140.64)  398.14                80
 05/22/2019   06:30:33   (  -0.00,-137.13) (   0.36,-135.65)  169.61                80
 05/23/2019   18:49:24   (   0.01,-137.14) (   0.69,-140.21)  349.09                80
 05/24/2019   18:31:24   (   0.01,-137.13) (  -0.41,-135.21)  218.71                80
 05/26/2019   06:50:26   (  -0.01,-137.08) (  -0.59,-139.81)  310.25                80
 05/27/2019   06:27:06   (  -0.01,-137.06) (   0.51,-134.81)  256.89                80
 05/28/2019   18:45:58   (   0.01,-137.06) (   0.54,-139.37)  263.07                80
 05/29/2019   18:27:59   (   0.01,-137.04) (  -0.62,-134.38)  304.19                80