Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 7 21.  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)
 07/23/2019   06:50:29   (   0.01,-137.18) (  -0.59,-139.80)  298.34                80
 07/24/2019   06:27:09   (   0.01,-137.18) (   0.51,-134.80)  270.06                80
 07/25/2019   18:46:02   (  -0.01,-137.18) (   0.48,-139.37)  249.57                80
 07/26/2019   18:28:02   (  -0.01,-137.17) (  -0.64,-134.38)  318.50                80
 07/28/2019   06:47:03   (   0.00,-137.14) (  -0.38,-138.97)  208.44                80
 07/29/2019   06:23:43   (   0.01,-137.12) (   0.73,-133.98)  358.82                80
 07/30/2019   18:42:34   (  -0.01,-137.10) (   0.31,-138.53)  162.71                80
 07/31/2019   18:24:35   (  -0.01,-137.08) (  -0.80,-133.54)  404.17                80
 08/02/2019   06:43:35   (   0.01,-137.04) (  -0.22,-138.13)  124.14                80
 08/03/2019   06:20:16   (   0.02,-137.02) (   0.89,-133.14)  442.25                80
 08/04/2019   18:41:47   (  -0.01,-136.99) (   0.15,-137.69)   80.27                80