Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 1 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 01/20/2021   05:16:30   (  -0.00,-137.22) (   0.67,-134.13)  351.66                80
 01/21/2021   17:38:02   (   0.00,-137.21) (   0.32,-138.73)  172.60                80
 01/22/2021   17:14:43   (  -0.01,-137.20) (  -0.79,-133.76)  393.21                80
 01/24/2021   05:33:43   (   0.02,-137.18) (  -0.25,-138.39)  138.22                80
 01/25/2021   05:15:44   (   0.01,-137.16) (   0.86,-133.41)  427.55                80
 01/26/2021   17:31:55   (  -0.00,-137.14) (   0.19,-138.00)   98.14                80
 01/27/2021   17:13:56   (  -0.00,-137.12) (  -0.91,-133.03)  466.87                80
 01/29/2021   05:30:16   (  -0.00,-137.08) (  -0.12,-137.66)   65.65                80
 01/30/2021   05:12:16   (  -0.00,-137.06) (   0.99,-132.68)  499.02                80
 01/31/2021   17:28:28   (   0.00,-137.03) (   0.06,-137.28)   27.87                80