Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 9.  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)
 03/09/2021   06:38:04   (  -0.03,-137.21) (  -0.02,-137.28)    8.19                80
 03/11/2021   18:36:15   (   0.03,-137.22) (  -0.03,-136.84)   43.54                80
 03/13/2021   06:57:54   (  -0.04,-137.21) (  -1.00,-141.43)  481.32                80
 03/14/2021   06:34:35   (  -0.03,-137.21) (   0.14,-136.44)   87.81                80
 03/15/2021   18:56:06   (   0.03,-137.22) (   0.89,-141.00)  430.85                80
 03/16/2021   18:32:46   (   0.03,-137.22) (  -0.24,-136.01)  137.94                80
 03/18/2021   06:54:26   (  -0.03,-137.19) (  -0.77,-140.60)  387.84                80
 03/19/2021   06:31:05   (  -0.03,-137.18) (   0.31,-135.60)  180.48                80
 03/20/2021   18:49:57   (   0.03,-137.18) (   0.67,-140.17)  339.71                80
 03/21/2021   18:29:17   (   0.03,-137.17) (  -0.41,-135.16)  228.08                80