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   15:32:49   (  -0.01, -75.20) (   0.02, -75.25)    7.44                80
 12/21/2017   15:17:59   (  -0.00, -75.20) (  -0.60, -72.30)  328.73                80
 12/22/2017   03:39:24   (   0.00, -75.19) (  -0.48, -77.50)  262.77                80
 12/24/2017   03:29:54   (  -0.01, -75.19) (   0.12, -74.54)   73.85                80
 12/26/2017   03:17:45   (  -0.02, -75.20) (   0.75, -71.59)  410.67                80
 12/26/2017   15:39:01   (   0.02, -75.22) (   0.37, -76.75)  174.05                80
 12/28/2017   15:24:13   (   0.02, -75.24) (  -0.29, -73.81)  162.68                80
 12/29/2017   03:45:38   (  -0.01, -75.22) (  -0.81, -79.00)  429.42                80
 12/30/2017   15:12:05   (   0.01, -75.25) (  -0.92, -70.86)  499.29                80
 12/31/2017   03:33:30   (  -0.01, -75.24) (  -0.18, -76.06)   92.71                80