Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 5 9.  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)
 05/09/2019   18:39:02   (  -0.01,-137.20) (   0.09,-137.71)   57.87                80
 05/12/2019   06:40:04   (   0.00,-137.15) (  -0.02,-137.31)   18.18                80
 05/14/2019   18:38:15   (  -0.00,-137.15) (  -0.04,-136.87)   31.69                80
 05/16/2019   06:57:17   (   0.00,-137.11) (  -0.97,-141.47)  496.89                80
 05/17/2019   06:33:57   (  -0.00,-137.09) (   0.12,-136.47)   70.57                80
 05/18/2019   18:52:48   (   0.01,-137.09) (   0.91,-141.03)  448.99                80
 05/19/2019   18:34:50   (   0.01,-137.08) (  -0.24,-136.04)  118.53                80
 05/21/2019   06:53:50   (  -0.01,-137.03) (  -0.82,-140.63)  410.57                80
 05/22/2019   06:30:31   (  -0.01,-137.01) (   0.29,-135.63)  156.08                80