Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2017 12 11.  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   15:23:57   (   0.02, -73.62) (   0.05, -73.71)   10.34                80
 12/14/2017   15:14:16   (   0.01, -70.97) (  -0.05, -70.63)   38.29                80
 12/16/2017   15:01:55   (   0.01, -68.33) (  -0.15, -67.56)   87.56                80
 12/18/2017   14:49:35   (   0.02, -65.69) (  -0.25, -64.48)  137.42                80
 12/20/2017   14:37:14   (   0.02, -63.06) (  -0.34, -61.41)  187.88                80
 12/21/2017   02:55:54   (  -0.02, -62.36) (  -0.92, -66.56)  478.61                80
 12/22/2017   14:24:53   (   0.03, -60.43) (  -0.44, -58.34)  238.96                80
 12/23/2017   02:43:33   (  -0.03, -59.73) (  -0.83, -63.49)  427.38                80
 12/24/2017   14:12:32   (   0.04, -57.81) (  -0.54, -55.26)  290.66                80
 12/25/2017   02:31:12   (  -0.03, -57.11) (  -0.73, -60.42)  375.54                80