Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 5 5.  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)
 05/06/2021   06:37:53   (  -0.05,-137.18) (  -0.06,-137.27)    9.08                80
 05/08/2021   18:38:47   (   0.05,-137.19) (  -0.01,-136.83)   40.74                80
 05/10/2021   06:55:09   (  -0.04,-137.17) (  -1.01,-141.43)  485.99                80
 05/11/2021   06:37:11   (  -0.04,-137.16) (   0.10,-136.44)   82.05                80
 05/12/2021   18:53:24   (   0.04,-137.16) (   0.88,-141.01)  438.00                80
 05/13/2021   18:35:26   (   0.03,-137.15) (  -0.23,-136.02)  129.53                80
 05/15/2021   06:51:48   (  -0.03,-137.11) (  -0.78,-140.62)  398.72                80
 05/16/2021   06:33:49   (  -0.03,-137.10) (   0.33,-135.62)  168.28                80
 05/17/2021   18:50:02   (   0.02,-137.08) (   0.71,-140.18)  353.33                80
 05/18/2021   18:32:03   (   0.02,-137.06) (  -0.41,-135.19)  213.30                80