Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 4 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2018   15:15:22   (   0.02, -75.21) (  -0.89, -70.97)  482.07                80
 04/22/2018   03:36:46   (  -0.01, -75.20) (  -0.24, -76.16)  109.21                80
 04/24/2018   03:21:57   (  -0.01, -75.22) (   0.41, -73.21)  227.91                80
 04/24/2018   15:43:13   (   0.01, -75.23) (   0.70, -78.37)  357.20                80
 04/26/2018   15:31:04   (   0.01, -75.26) (   0.03, -75.43)   18.97                80
 04/28/2018   15:21:34   (   0.01, -75.30) (  -0.57, -72.48)  320.19                80
 04/29/2018   03:42:59   (  -0.01, -75.30) (  -0.50, -77.68)  270.10                80
 05/01/2018   03:28:09   (  -0.01, -75.34) (   0.11, -74.72)   69.67                80
 05/03/2018   03:16:00   (  -0.00, -75.38) (   0.79, -71.78)  409.84                80
 05/03/2018   15:37:15   (   0.00, -75.40) (   0.31, -76.94)  174.75                80