Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 4 15.  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   (   0.00,-137.18) (  -0.14,-137.87)   77.90                80
 04/19/2019   07:28:31   (   0.00,-137.18) (   0.50,-134.92)  257.04                80
 04/19/2019   19:49:47   (   0.00,-137.20) (   0.59,-140.08)  326.37                80
 04/21/2019   19:40:16   (   0.00,-137.19) (   0.01,-137.12)    8.46                80
 04/23/2019   19:28:07   (  -0.00,-137.18) (  -0.67,-134.18)  341.41                80
 04/24/2019   07:49:31   (   0.00,-137.14) (  -0.47,-139.36)  252.61                80
 04/26/2019   07:34:41   (   0.00,-137.12) (   0.13,-136.41)   79.95                80
 04/28/2019   07:22:32   (   0.00,-137.09) (   0.78,-133.47)  412.01                80
 04/28/2019   19:43:48   (  -0.00,-137.10) (   0.32,-138.63)  172.98                80