Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 8.  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,-137.19) (  -0.03,-137.28)    9.52                80
 03/11/2021   18:36:15   (   0.03,-137.19) (  -0.02,-136.83)   40.33                80
 03/13/2021   06:57:54   (  -0.04,-137.16) (  -1.00,-141.43)  486.14                80
 03/14/2021   06:34:34   (  -0.03,-137.16) (   0.13,-136.44)   82.18                80
 03/15/2021   18:56:06   (   0.03,-137.16) (   0.90,-141.00)  437.36                80
 03/16/2021   18:32:46   (   0.03,-137.15) (  -0.23,-136.00)  130.63                80
 03/18/2021   06:54:25   (  -0.03,-137.11) (  -0.78,-140.60)  396.73                80
 03/19/2021   06:31:05   (  -0.03,-137.09) (   0.30,-135.59)  170.78                80
 03/20/2021   18:49:56   (   0.03,-137.08) (   0.74,-140.15)  350.29                80
 03/21/2021   18:31:57   (   0.03,-137.06) (  -0.40,-135.16)  216.70                80