Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 6 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/27/2019   07:49:14   (   0.02,-137.20) (  -0.43,-139.32)  241.35                80
 06/29/2019   07:34:21   (   0.01,-137.19) (   0.16,-136.35)   94.79                80
 06/29/2019   19:55:35   (   0.00,-137.19) (   0.94,-141.51)  491.24                80
 07/01/2019   07:22:09   (  -0.00,-137.18) (   0.82,-133.40)  429.80                80
 07/01/2019   19:43:24   (   0.00,-137.17) (   0.29,-138.55)  156.51                80
 07/03/2019   19:33:52   (  -0.01,-137.15) (  -0.37,-135.60)  177.07                80
 07/04/2019   07:55:15   (   0.01,-137.14) (  -0.74,-140.79)  414.27                80
 07/06/2019   07:43:02   (   0.02,-137.11) (  -0.14,-137.82)   81.59                80
 07/08/2019   07:28:11   (   0.03,-137.07) (   0.52,-134.87)  250.90                80
 07/08/2019   19:49:25   (  -0.03,-137.06) (   0.59,-140.02)  336.40                80
 07/10/2019   19:37:12   (  -0.03,-137.02) (  -0.01,-137.06)    4.51                80