Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 5 14.  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)
 05/15/2021   06:54:28   (  -0.04,-137.20) (  -0.79,-140.61)  389.03                80
 05/16/2021   06:31:09   (  -0.04,-137.20) (   0.33,-135.62)  179.77                80
 05/17/2021   18:50:02   (   0.03,-137.20) (   0.71,-140.18)  340.27                80
 05/18/2021   18:32:03   (   0.03,-137.19) (  -0.41,-135.19)  228.21                80
 05/20/2021   06:51:05   (  -0.03,-137.18) (  -0.61,-139.79)  297.10                80
 05/21/2021   06:27:47   (  -0.02,-137.18) (   0.51,-134.80)  271.09                80
 05/22/2021   18:46:39   (   0.02,-137.17) (   0.52,-139.36)  249.85                80
 05/23/2021   18:28:41   (   0.02,-137.16) (  -0.59,-134.36)  318.00                80
 05/25/2021   06:45:03   (  -0.02,-137.14) (  -0.42,-138.97)  208.47                80
 05/26/2021   06:27:05   (  -0.02,-137.12) (   0.70,-133.98)  358.72                80
 05/27/2021   18:43:17   (   0.01,-137.09) (   0.33,-138.53)  164.03                80