Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 4 11.  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)
 04/13/2019   06:39:54   (   0.02,-137.18) (  -0.00,-137.30)   14.17                80
 04/15/2019   18:38:07   (  -0.02,-137.21) (  -0.08,-136.87)   38.29                80
 04/17/2019   06:57:08   (  -0.01,-137.16) (  -0.95,-141.47)  490.49                80
 04/18/2019   06:33:49   (  -0.02,-137.14) (   0.14,-136.47)   77.47                80
 04/19/2019   18:52:41   (   0.01,-137.17) (   0.86,-141.03)  439.70                80
 04/20/2019   18:34:42   (   0.01,-137.16) (  -0.22,-136.03)  128.15                80
 04/22/2019   06:53:43   (  -0.00,-137.10) (  -0.80,-140.63)  402.05                80
 04/23/2019   06:30:24   (   0.01,-137.08) (   0.34,-135.64)  164.94                80
 04/24/2019   18:49:17   (  -0.01,-137.09) (   0.66,-140.20)  353.75                80