Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 1 15.  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)
 01/15/2021   18:27:35   (   0.00,-137.24) (  -0.63,-134.35)  329.00                80
 01/17/2021   06:49:16   (  -0.01,-137.23) (  -0.41,-138.95)  196.52                80
 01/18/2021   06:25:58   (  -0.00,-137.23) (   0.74,-133.96)  372.24                80
 01/19/2021   18:47:29   (   0.01,-137.23) (   0.27,-138.52)  146.75                80
 01/20/2021   18:24:10   (   0.01,-137.22) (  -0.83,-133.52)  421.74                80
 01/22/2021   06:45:51   (  -0.01,-137.20) (  -0.21,-138.12)  104.59                80
 01/23/2021   06:22:31   (  -0.01,-137.19) (   0.89,-133.12)  463.41                80
 01/24/2021   18:44:03   (   0.01,-137.18) (   0.12,-137.68)   56.88                80
 01/27/2021   06:42:25   (  -0.02,-137.13) (  -0.06,-137.28)   17.26                80