Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/16/2021   07:42:30   (  -0.00,-137.21) (  -0.17,-137.82)   70.75                80
 01/18/2021   07:27:38   (  -0.00,-137.20) (   0.48,-134.87)  265.15                80
 01/18/2021   19:48:53   (   0.00,-137.21) (   0.57,-140.03)  320.45                80
 01/20/2021   19:39:21   (   0.01,-137.20) (  -0.01,-137.07)   14.94                80
 01/22/2021   19:27:09   (   0.01,-137.19) (  -0.67,-134.12)  349.64                80
 01/23/2021   07:48:32   (  -0.01,-137.17) (  -0.44,-139.31)  242.14                80
 01/25/2021   07:33:39   (  -0.02,-137.15) (   0.16,-136.34)   91.60                80
 01/25/2021   19:54:54   (   0.02,-137.15) (   0.95,-141.50)  494.67                80
 01/27/2021   07:21:27   (  -0.02,-137.12) (   0.76,-133.38)  424.47                80
 01/27/2021   19:42:42   (   0.02,-137.12) (   0.29,-138.55)  162.03                80
 01/29/2021   19:33:09   (   0.02,-137.08) (  -0.31,-135.58)  170.02                80