Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 1 8.  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)
 01/09/2021   05:46:43   (   0.01,-137.22) (  -0.72,-140.55)  379.63                80
 01/10/2021   05:23:24   (   0.02,-137.22) (   0.38,-135.58)  186.97                80
 01/11/2021   17:42:16   (  -0.02,-137.22) (   0.61,-140.18)  336.68                80
 01/12/2021   17:24:16   (  -0.01,-137.21) (  -0.44,-135.19)  229.96                80
 01/14/2021   05:40:37   (   0.00,-137.19) (  -0.55,-139.84)  299.99                80
 01/15/2021   05:22:36   (  -0.00,-137.19) (   0.50,-134.84)  266.46                80
 01/16/2021   17:38:49   (   0.01,-137.18) (   0.49,-139.45)  257.65                80
 01/17/2021   17:20:48   (   0.01,-137.18) (  -0.56,-134.46)  308.71                80
 01/19/2021   05:37:10   (  -0.01,-137.15) (  -0.42,-139.11)  221.64                80
 01/20/2021   05:19:09   (  -0.01,-137.14) (   0.63,-134.12)  344.35                80
 01/21/2021   17:35:21   (   0.01,-137.13) (   0.36,-138.72)  180.89                80