Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 10.  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)
 03/11/2021   18:36:15   (   0.03,-137.22) (  -0.04,-136.84)   43.07                80
 03/13/2021   06:57:54   (  -0.04,-137.20) (  -0.98,-141.43)  481.88                80
 03/14/2021   06:34:35   (  -0.03,-137.20) (   0.16,-136.44)   87.14                80
 03/15/2021   18:56:06   (   0.03,-137.21) (   0.87,-141.00)  431.76                80
 03/16/2021   18:32:47   (   0.03,-137.21) (  -0.26,-136.01)  136.93                80
 03/18/2021   06:54:25   (  -0.03,-137.18) (  -0.81,-140.59)  389.08                80
 03/19/2021   06:31:06   (  -0.03,-137.17) (   0.33,-135.60)  179.10                80
 03/20/2021   18:51:54   (   0.03,-137.17) (   0.71,-140.16)  341.27                37
 03/21/2021   18:29:17   (   0.03,-137.15) (  -0.43,-135.17)  226.38                80
 03/23/2021   06:48:16   (  -0.02,-137.11) (  -0.64,-139.75)  301.17                80