Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2018   15:20:43   (   0.03, -75.17) (  -0.60, -72.32)  325.10                80
 12/25/2018   03:42:07   (  -0.03, -75.15) (  -0.52, -77.50)  266.99                80
 12/27/2018   03:27:16   (  -0.04, -75.15) (   0.11, -74.55)   69.31                80
 12/29/2018   03:15:05   (  -0.05, -75.16) (   0.74, -71.59)  406.23                80
 12/29/2018   15:36:20   (   0.05, -75.17) (   0.40, -76.74)  178.42                80
 12/31/2018   15:26:49   (   0.05, -75.19) (  -0.22, -73.78)  159.36                80
 01/01/2019   03:48:13   (  -0.05, -75.18) (  -0.83, -78.98)  431.88                80
 01/02/2019   15:14:39   (   0.05, -75.21) (  -0.91, -70.84)  497.54                80
 01/03/2019   03:36:03   (  -0.05, -75.20) (  -0.21, -76.03)   93.60                80
 01/05/2019   03:21:12   (  -0.05, -75.23) (   0.41, -73.07)  245.22                80
 01/05/2019   15:42:27   (   0.04, -75.25) (   0.67, -78.23)  339.26                80