Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2017 12 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2017   15:23:58   (   0.02, -73.62) (   0.03, -73.71)   10.20                80
 12/14/2017   15:14:17   (   0.02, -70.97) (  -0.07, -70.64)   38.13                80
 12/16/2017   15:01:56   (   0.01, -68.33) (  -0.17, -67.56)   87.04                80
 12/18/2017   14:49:35   (   0.01, -65.69) (  -0.26, -64.49)  136.73                80
 12/20/2017   14:37:14   (   0.02, -63.05) (  -0.35, -61.41)  187.06                80
 12/21/2017   02:55:55   (  -0.02, -62.35) (  -0.92, -66.57)  479.90                80
 12/22/2017   14:24:52   (   0.03, -60.42) (  -0.39, -58.32)  237.99                80
 12/23/2017   02:43:34   (  -0.03, -59.72) (  -0.82, -63.49)  428.84                80
 12/24/2017   14:12:31   (   0.04, -57.80) (  -0.48, -55.25)  289.52                80