Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2019 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2019   03:21:58   (   0.00, -75.19) (   0.42, -73.06)  241.89                 6
 09/18/2019   15:42:00   (  -0.00, -75.21) (   0.65, -78.22)  342.50                80
 09/20/2019   15:29:49   (   0.00, -75.22) (   0.01, -75.27)    5.69                80
 09/22/2019   15:17:38   (   0.01, -75.23) (  -0.63, -72.32)  331.33                80
 09/23/2019   03:41:42   (  -0.01, -75.21) (  -0.49, -77.51)  260.61                80
 09/25/2019   03:26:51   (  -0.01, -75.23) (   0.16, -74.56)   76.64                80
 09/27/2019   03:14:39   (  -0.00, -75.24) (   0.75, -71.59)  414.36                80
 09/27/2019   15:35:55   (   0.00, -75.27) (   0.32, -76.76)  169.70                80
 09/29/2019   15:23:44   (  -0.00, -75.29) (  -0.33, -73.81)  169.07                80
 09/30/2019   03:47:48   (   0.00, -75.28) (  -0.78, -79.00)  422.17                80