Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 1 4.  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)
 01/04/2021   18:55:05   (  -0.00,-137.22) (   0.86,-141.01)  432.56                80
 01/05/2021   18:37:06   (  -0.00,-137.23) (  -0.29,-136.03)  137.62                80
 01/07/2021   06:56:08   (   0.00,-137.23) (  -0.74,-140.62)  386.39                80
 01/08/2021   06:32:48   (  -0.00,-137.23) (   0.35,-135.62)  183.30                80
 01/09/2021   18:51:40   (   0.00,-137.25) (   0.67,-140.18)  334.29                80
 01/10/2021   18:31:01   (   0.01,-137.25) (  -0.48,-135.20)  234.93                80
 01/12/2021   06:52:42   (  -0.01,-137.24) (  -0.56,-139.79)  290.54                80
 01/13/2021   06:29:23   (  -0.01,-137.23) (   0.53,-134.79)  278.24                80
 01/14/2021   18:50:54   (   0.01,-137.24) (   0.48,-139.35)  240.34                80
 01/15/2021   18:27:35   (   0.01,-137.24) (  -0.61,-134.35)  328.36                80
 01/17/2021   06:49:17   (  -0.01,-137.22) (  -0.37,-138.96)  197.51                80