Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 6 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/17/2019   19:34:00   (  -0.01,-137.19) (  -0.36,-135.62)  179.01                80
 06/18/2019   07:55:24   (   0.01,-137.18) (  -0.76,-140.81)  412.52                80
 06/20/2019   07:43:12   (   0.02,-137.17) (  -0.12,-137.85)   78.16                80
 06/22/2019   07:28:20   (   0.04,-137.14) (   0.53,-134.90)  255.85                80
 06/22/2019   19:49:35   (  -0.03,-137.14) (   0.58,-140.05)  330.40                80
 06/24/2019   19:37:23   (  -0.04,-137.12) (  -0.06,-137.09)    3.72                80
 06/26/2019   19:27:50   (  -0.04,-137.09) (  -0.65,-134.13)  336.60                80
 06/27/2019   07:49:13   (   0.04,-137.08) (  -0.46,-139.32)  254.78                80
 06/29/2019   07:34:22   (   0.04,-137.04) (   0.19,-136.36)   77.56                80