Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 1 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2021   18:44:48   (   0.00,-137.22) (   0.31,-138.51)  148.26                80
 01/20/2021   18:26:50   (   0.00,-137.22) (  -0.84,-133.53)  420.78                80
 01/22/2021   06:45:51   (  -0.00,-137.20) (  -0.20,-138.12)  105.17                80
 01/23/2021   06:22:32   (  -0.01,-137.19) (   0.90,-133.13)  463.35                80
 01/24/2021   18:41:23   (   0.01,-137.19) (   0.11,-137.68)   55.84                80
 01/27/2021   06:42:25   (  -0.01,-137.15) (  -0.05,-137.28)   15.22                80
 01/29/2021   18:40:37   (   0.01,-137.12) (  -0.04,-136.84)   31.57                80
 01/31/2021   06:59:38   (  -0.01,-137.08) (  -0.99,-141.44)  496.59                80
 02/01/2021   06:36:18   (  -0.01,-137.07) (   0.11,-136.44)   70.41                80