Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 4 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2019   07:22:23   (   0.01,-137.19) (   0.83,-133.44)  427.18                80
 04/12/2019   19:43:38   (  -0.01,-137.22) (   0.30,-138.59)  155.92                80
 04/14/2019   19:34:07   (  -0.02,-137.21) (  -0.35,-135.63)  178.88                80
 04/15/2019   07:55:31   (   0.01,-137.18) (  -0.76,-140.82)  414.74                80
 04/17/2019   07:43:19   (  -0.02,-137.16) (  -0.17,-137.86)   79.64                80
 04/19/2019   07:28:28   (  -0.02,-137.14) (   0.48,-134.91)  254.38                80
 04/19/2019   19:49:43   (   0.02,-137.16) (   0.66,-140.06)  330.04                80
 04/21/2019   19:40:12   (   0.01,-137.14) (   0.01,-137.11)    3.36                80
 04/23/2019   19:28:01   (   0.00,-137.11) (  -0.63,-134.15)  335.74                80
 04/24/2019   07:49:25   (  -0.00,-137.08) (  -0.48,-139.34)  257.59                80