Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 7 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2019   19:33:51   (  -0.00,-137.19) (  -0.37,-135.60)  181.87                80
 07/20/2019   07:55:14   (  -0.00,-137.19) (  -0.76,-140.79)  409.31                80
 07/22/2019   07:43:03   (   0.00,-137.17) (  -0.11,-137.84)   74.75                80
 07/24/2019   07:28:12   (   0.00,-137.16) (   0.47,-134.87)  259.42                80
 07/24/2019   19:49:27   (   0.00,-137.16) (   0.59,-140.04)  327.07                80
 07/26/2019   19:39:55   (   0.00,-137.13) (   0.01,-137.07)    6.48                80
 07/28/2019   19:27:44   (  -0.00,-137.10) (  -0.64,-134.12)  338.47                80
 07/29/2019   07:49:08   (  -0.01,-137.08) (  -0.48,-139.31)  253.06                80
 07/31/2019   07:34:17   (  -0.00,-137.04) (   0.17,-136.36)   77.99                80