Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 1 27.  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)
 01/27/2021   17:13:55   (   0.00,-137.23) (  -0.91,-133.03)  478.80                80
 01/29/2021   05:32:56   (  -0.00,-137.23) (  -0.12,-137.66)   49.32                80
 01/31/2021   17:28:29   (  -0.00,-137.26) (  -0.00,-137.29)    2.99                80
 02/03/2021   05:26:49   (   0.00,-137.26) (   0.09,-136.95)   35.80                80
 02/04/2021   17:45:41   (   0.00,-137.27) (   0.96,-141.54)  486.80                80
 02/05/2021   17:27:41   (   0.00,-137.27) (  -0.15,-136.57)   80.06                80
 02/07/2021   05:46:42   (  -0.00,-137.25) (  -0.87,-141.20)  449.85                80
 02/08/2021   05:23:22   (  -0.00,-137.24) (   0.24,-136.23)  116.46                80
 02/09/2021   17:42:13   (   0.00,-137.24) (   0.81,-140.82)  407.54                80