Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 13.  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)
 03/13/2021   06:57:54   (  -0.04,-137.20) (  -0.97,-141.43)  481.67                80
 03/14/2021   06:34:34   (  -0.04,-137.20) (   0.10,-136.43)   87.29                80
 03/15/2021   18:56:06   (   0.04,-137.21) (   0.87,-141.00)  431.91                80
 03/16/2021   18:32:46   (   0.04,-137.20) (  -0.21,-136.00)  136.67                80
 03/18/2021   06:54:25   (  -0.04,-137.18) (  -0.80,-140.59)  389.22                80
 03/19/2021   06:31:06   (  -0.03,-137.17) (   0.33,-135.60)  178.86                80
 03/20/2021   18:52:37   (   0.03,-137.16) (   0.70,-140.16)  341.80                80
 03/21/2021   18:29:17   (   0.03,-137.15) (  -0.44,-135.17)  225.79                80
 03/23/2021   06:50:56   (  -0.03,-137.11) (  -0.63,-139.75)  301.64                80
 03/24/2021   06:30:16   (  -0.03,-137.09) (   0.51,-134.76)  265.52                80
 03/25/2021   18:46:28   (   0.03,-137.07) (   0.52,-139.32)  256.53                80
 03/26/2021   18:28:27   (   0.02,-137.05) (  -0.56,-134.32)  310.35                80