Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2017 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/28/2017   15:24:06   (   0.01, -75.19) (  -0.32, -73.78)  160.64                80
 12/29/2017   03:45:30   (  -0.00, -75.17) (  -0.80, -78.97)  432.41                80
 12/30/2017   15:11:55   (  -0.00, -75.17) (  -0.94, -70.83)  494.28                80
 12/31/2017   03:33:19   (   0.01, -75.15) (  -0.18, -76.01)   98.53                80
 01/02/2018   03:23:48   (   0.00, -75.13) (   0.44, -73.06)  235.94                80
 01/02/2018   15:45:04   (  -0.00, -75.15) (   0.65, -78.22)  348.69                80
 01/04/2018   15:32:53   (   0.01, -75.14) (   0.03, -75.26)   13.36                80
 01/06/2018   15:18:02   (   0.03, -75.14) (  -0.58, -72.30)  322.78                80
 01/07/2018   03:39:25   (  -0.02, -75.12) (  -0.54, -77.49)  269.69                80
 01/09/2018   03:29:54   (  -0.03, -75.13) (   0.08, -74.53)   67.36                80