Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 4 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2019   19:40:15   (  -0.01,-137.22) (  -0.06,-137.12)   12.00                80
 04/23/2019   19:28:04   (  -0.00,-137.22) (  -0.68,-134.17)  347.34                80
 04/24/2019   07:49:28   (  -0.00,-137.18) (  -0.44,-139.36)  247.11                80
 04/26/2019   07:34:37   (  -0.01,-137.17) (   0.18,-136.40)   87.87                80
 04/26/2019   19:55:53   (   0.01,-137.20) (   0.91,-141.56)  495.46                80
 04/28/2019   07:22:26   (  -0.01,-137.16) (   0.79,-133.44)  422.38                80
 04/28/2019   19:43:42   (   0.01,-137.19) (   0.29,-138.61)  160.94                80
 04/30/2019   19:34:11   (   0.01,-137.17) (  -0.33,-135.65)  173.16                80
 05/01/2019   07:55:35   (  -0.01,-137.14) (  -0.79,-140.84)  420.73                80
 05/03/2019   07:43:24   (  -0.01,-137.11) (  -0.18,-137.88)   87.41                80