Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2017 12 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2017   16:01:02   (   0.02, -81.59) (   0.28, -82.95)  153.35                80
 12/08/2017   15:48:40   (   0.03, -78.92) (   0.25, -79.86)  107.11                80
 12/10/2017   15:36:19   (   0.04, -76.26) (   0.15, -76.78)   60.17                80
 12/12/2017   15:23:58   (   0.04, -73.60) (   0.06, -73.71)   12.55                80
 12/14/2017   15:14:17   (   0.04, -70.94) (  -0.04, -70.63)   35.38                80
 12/16/2017   15:01:56   (   0.03, -68.30) (  -0.13, -67.56)   84.07                80
 12/18/2017   14:49:35   (   0.04, -65.65) (  -0.23, -64.49)  133.34                80