Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2017 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2017   15:48:40   (   0.03, -78.93) (   0.22, -79.86)  106.25                80
 12/10/2017   15:36:18   (   0.04, -76.26) (   0.16, -76.78)   58.78                80
 12/12/2017   15:23:56   (   0.04, -73.61) (   0.07, -73.70)   10.62                80
 12/14/2017   15:14:14   (   0.04, -70.96) (  -0.02, -70.62)   38.20                80
 12/16/2017   15:01:52   (   0.04, -68.31) (  -0.14, -67.54)   87.75                80
 12/18/2017   14:49:29   (   0.04, -65.67) (  -0.20, -64.46)  137.99                80
 12/20/2017   14:37:06   (   0.04, -63.04) (  -0.29, -61.37)  188.96                80
 12/21/2017   02:55:47   (  -0.04, -62.34) (  -0.95, -66.53)  476.90                80