Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2017 12 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/17/2017   03:23:44   (   0.01, -75.21) (   0.45, -73.05)  245.00                80
 12/17/2017   15:45:00   (  -0.01, -75.22) (   0.64, -78.21)  340.24                80
 12/19/2017   15:32:50   (  -0.01, -75.23) (   0.01, -75.26)    3.97                80
 12/21/2017   15:18:01   (  -0.01, -75.25) (  -0.63, -72.31)  333.64                80
 12/22/2017   03:39:25   (   0.01, -75.24) (  -0.45, -77.51)  257.70                80
 12/24/2017   03:29:56   (   0.01, -75.26) (   0.14, -74.56)   79.73                80
 12/26/2017   03:17:50   (   0.01, -75.29) (   0.80, -71.62)  417.24                80
 12/26/2017   15:39:06   (  -0.01, -75.31) (   0.30, -76.79)  167.28                80
 12/28/2017   15:24:19   (  -0.01, -75.34) (  -0.30, -73.84)  170.10                80
 12/29/2017   03:45:45   (   0.01, -75.33) (  -0.76, -79.05)  421.94                80