Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 11.  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   (   0.04,-137.22) (  -0.05,-136.84)   43.22                80
 03/13/2021   06:57:54   (  -0.04,-137.21) (  -0.97,-141.43)  481.51                80
 03/14/2021   06:34:34   (  -0.04,-137.21) (   0.11,-136.43)   87.59                80
 03/15/2021   18:56:06   (   0.04,-137.21) (   0.86,-141.00)  431.31                80
 03/16/2021   18:32:46   (   0.04,-137.21) (  -0.21,-136.00)  137.41                80
 03/18/2021   06:54:25   (  -0.04,-137.19) (  -0.80,-140.59)  388.38                80
 03/19/2021   06:31:06   (  -0.03,-137.18) (   0.33,-135.60)  179.84                80
 03/20/2021   18:52:37   (   0.03,-137.17) (   0.70,-140.16)  340.51                80
 03/21/2021   18:29:17   (   0.03,-137.16) (  -0.44,-135.17)  227.20                80
 03/23/2021   06:50:56   (  -0.03,-137.12) (  -0.63,-139.75)  300.14                80
 03/24/2021   06:30:16   (  -0.03,-137.10) (   0.51,-134.76)  267.16                80