Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 1 28.  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)
 01/29/2021   06:47:50   (  -0.03,-137.23) (  -0.43,-138.98)  199.14                80
 01/30/2021   06:24:31   (  -0.03,-137.23) (   0.69,-133.98)  369.95                80
 01/31/2021   18:43:22   (   0.03,-137.24) (   0.30,-138.55)  148.46                80
 02/01/2021   18:25:23   (   0.03,-137.24) (  -0.82,-133.55)  420.42                80
 02/03/2021   06:44:23   (  -0.03,-137.22) (  -0.21,-138.15)  105.45                80
 02/04/2021   06:21:03   (  -0.03,-137.21) (   0.85,-133.14)  462.87                80
 02/05/2021   18:39:54   (   0.03,-137.20) (   0.14,-137.71)   57.06                80
 02/08/2021   06:40:55   (  -0.02,-137.16) (  -0.04,-137.31)   16.56                80
 02/10/2021   18:39:06   (   0.01,-137.13) (  -0.03,-136.86)   29.66                80