Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 1 21.  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)
 01/21/2021   17:38:02   (   0.00,-137.23) (   0.34,-138.73)  170.79                80
 01/22/2021   17:14:43   (  -0.01,-137.23) (  -0.76,-133.75)  395.79                80
 01/24/2021   05:36:24   (   0.02,-137.21) (  -0.21,-138.40)  134.98                80
 01/25/2021   05:15:43   (   0.01,-137.20) (   0.83,-133.41)  431.53                80
 01/26/2021   17:31:56   (  -0.00,-137.20) (   0.16,-138.01)   92.59                80
 01/27/2021   17:13:55   (   0.00,-137.18) (  -0.89,-133.02)  473.21                80
 01/29/2021   05:30:15   (  -0.00,-137.15) (  -0.14,-137.66)   58.62                80
 01/31/2021   17:28:28   (   0.00,-137.12) (   0.03,-137.28)   18.56                80
 02/03/2021   05:29:28   (  -0.00,-137.06) (  -0.00,-136.93)   14.20                80