Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 1 5.  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)
 01/05/2021   06:44:18   (  -0.01,-137.21) (  -0.24,-138.12)  104.54                80
 01/06/2021   06:20:59   (  -0.01,-137.21) (   0.89,-133.13)  464.56                80
 01/07/2021   18:42:31   (   0.00,-137.22) (   0.12,-137.70)   54.28                80
 01/10/2021   06:40:55   (   0.02,-137.21) (   0.02,-137.32)   12.36                80
 01/12/2021   18:39:08   (  -0.01,-137.20) (  -0.09,-136.88)   36.38                80
 01/14/2021   06:55:29   (   0.01,-137.17) (  -0.96,-141.48)  490.29                80
 01/15/2021   06:37:31   (   0.00,-137.17) (   0.17,-136.49)   77.66                80
 01/16/2021   18:53:42   (   0.00,-137.16) (   0.89,-141.04)  442.74                80
 01/17/2021   18:35:44   (   0.00,-137.15) (  -0.24,-136.05)  125.19                80