Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2019 4 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2019   06:41:01   (   0.01,-137.17) (   0.00,-137.27)   11.03                80
 04/23/2019   18:39:13   (  -0.00,-137.22) (  -0.09,-136.84)   44.02                80
 04/25/2019   06:58:15   (  -0.00,-137.17) (  -0.97,-141.43)  485.84                80
 04/26/2019   06:34:56   (  -0.01,-137.16) (   0.16,-136.44)   82.44                80
 04/27/2019   18:53:48   (   0.01,-137.20) (   0.88,-140.99)  432.99                80
 04/28/2019   18:35:49   (   0.01,-137.19) (  -0.25,-136.01)  135.45                80
 04/30/2019   06:54:51   (  -0.01,-137.14) (  -0.76,-140.61)  394.94                80
 05/01/2019   06:31:32   (  -0.01,-137.13) (   0.32,-135.61)  172.79                80
 05/02/2019   18:50:24   (   0.01,-137.15) (   0.66,-140.18)  343.92                80
 05/03/2019   18:32:25   (   0.01,-137.14) (  -0.41,-135.17)  223.89                80