Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 1 13.  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)
 01/13/2021   06:29:23   (  -0.01,-137.22) (   0.55,-134.80)  276.27                80
 01/14/2021   18:50:55   (   0.01,-137.23) (   0.46,-139.35)  241.88                80
 01/15/2021   18:27:35   (   0.01,-137.23) (  -0.64,-134.36)  327.27                80
 01/17/2021   06:49:16   (  -0.01,-137.22) (  -0.41,-138.95)  197.77                80
 01/18/2021   06:25:58   (  -0.01,-137.22) (   0.75,-133.97)  371.27                80
 01/19/2021   18:47:28   (   0.01,-137.22) (   0.31,-138.51)  147.25                80
 01/20/2021   18:24:10   (   0.01,-137.22) (  -0.84,-133.53)  421.51                80
 01/22/2021   06:45:51   (  -0.01,-137.20) (  -0.20,-138.12)  104.38                80
 01/23/2021   06:22:32   (  -0.01,-137.20) (   0.90,-133.12)  463.93                80
 01/24/2021   18:44:03   (   0.02,-137.19) (   0.11,-137.68)   55.93                80