Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 6.  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)
 03/06/2021   18:42:24   (   0.03,-137.22) (   0.12,-137.68)   52.06                80
 03/09/2021   06:40:43   (  -0.03,-137.19) (  -0.07,-137.27)    9.99                80
 03/11/2021   18:38:55   (   0.03,-137.19) (  -0.03,-136.84)   39.97                80
 03/13/2021   06:57:54   (  -0.03,-137.16) (  -0.99,-141.43)  486.43                80
 03/14/2021   06:34:35   (  -0.03,-137.16) (   0.14,-136.44)   81.91                80
 03/15/2021   18:53:26   (   0.03,-137.16) (   0.89,-141.00)  437.73                80
 03/16/2021   18:35:26   (   0.03,-137.15) (  -0.25,-136.01)  130.30                80
 03/18/2021   06:54:25   (  -0.03,-137.11) (  -0.83,-140.59)  397.00                80
 03/19/2021   06:31:05   (  -0.02,-137.09) (   0.31,-135.60)  170.51                80