Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2017 12 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)
 12/19/2017   15:32:50   (  -0.01, -75.20) (   0.02, -75.26)    7.34                80
 12/21/2017   15:18:00   (  -0.00, -75.20) (  -0.60, -72.30)  328.61                80
 12/22/2017   03:39:24   (   0.00, -75.19) (  -0.48, -77.50)  262.92                80
 12/24/2017   03:29:55   (  -0.01, -75.19) (   0.16, -74.55)   73.66                80
 12/26/2017   03:17:47   (  -0.02, -75.20) (   0.77, -71.60)  410.28                80
 12/26/2017   15:39:02   (   0.02, -75.22) (   0.35, -76.76)  174.45                80
 12/28/2017   15:24:14   (   0.02, -75.24) (  -0.28, -73.81)  162.10                80
 12/29/2017   03:45:39   (  -0.01, -75.22) (  -0.82, -79.01)  430.06                80
 12/30/2017   15:12:06   (   0.01, -75.25) (  -0.89, -70.87)  498.52                80
 12/31/2017   03:33:31   (  -0.01, -75.24) (  -0.22, -76.06)   93.61                80