Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 4 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)
 04/17/2019   07:43:21   (   0.01,-137.18) (  -0.16,-137.86)   78.18                80
 04/19/2019   07:28:30   (   0.01,-137.17) (   0.47,-134.91)  257.12                80
 04/19/2019   19:49:45   (  -0.01,-137.21) (   0.60,-140.07)  325.85                80
 04/21/2019   19:40:15   (  -0.01,-137.19) (  -0.04,-137.12)    9.16                80
 04/23/2019   19:28:03   (  -0.00,-137.18) (  -0.63,-134.15)  343.34                80
 04/24/2019   07:49:26   (  -0.00,-137.14) (  -0.48,-139.34)  250.72                80
 04/26/2019   07:34:34   (  -0.01,-137.12) (   0.12,-136.38)   82.95                80
 04/28/2019   07:22:23   (  -0.01,-137.09) (   0.79,-133.43)  416.10                80
 04/28/2019   19:43:38   (   0.01,-137.11) (   0.33,-138.58)  168.35                80