Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 6 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)
 06/18/2019   07:55:24   (   0.02,-137.20) (  -0.73,-140.82)  411.00                80
 06/20/2019   07:43:12   (   0.03,-137.19) (  -0.09,-137.86)   75.54                80
 06/22/2019   07:28:19   (   0.04,-137.18) (   0.50,-134.89)  259.72                80
 06/22/2019   19:49:35   (  -0.04,-137.18) (   0.54,-140.06)  326.13                80
 06/24/2019   19:40:02   (  -0.04,-137.17) (  -0.05,-137.09)    8.88                80
 06/26/2019   19:27:50   (  -0.05,-137.15) (  -0.70,-134.14)  343.28                80
 06/27/2019   07:49:14   (   0.04,-137.14) (  -0.40,-139.33)  247.95                80
 06/29/2019   07:34:21   (   0.04,-137.11) (   0.20,-136.36)   85.61                80
 07/01/2019   07:22:08   (   0.04,-137.08) (   0.80,-133.39)  418.25                80
 07/01/2019   19:43:23   (  -0.04,-137.07) (   0.30,-138.55)  169.01                80