Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 1 5.  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)
 01/05/2021   18:34:26   (   0.01,-137.22) (  -0.26,-136.02)  137.06                80
 01/07/2021   06:56:07   (  -0.01,-137.21) (  -0.77,-140.62)  387.86                80
 01/08/2021   06:32:49   (   0.01,-137.21) (   0.37,-135.63)  180.86                80
 01/09/2021   18:51:40   (  -0.02,-137.22) (   0.64,-140.19)  338.27                80
 01/10/2021   18:33:41   (  -0.01,-137.21) (  -0.45,-135.19)  230.41                80
 01/12/2021   06:50:02   (   0.01,-137.19) (  -0.59,-139.78)  295.80                80
 01/13/2021   06:32:03   (   0.01,-137.18) (   0.56,-134.80)  272.47                80
 01/14/2021   18:48:14   (  -0.00,-137.18) (   0.51,-139.34)  247.28                80
 01/15/2021   18:30:15   (  -0.00,-137.17) (  -0.64,-134.36)  320.95                80
 01/17/2021   06:46:37   (  -0.00,-137.15) (  -0.40,-138.95)  205.66                80
 01/18/2021   06:28:37   (  -0.01,-137.14) (   0.70,-133.95)  362.41                80