Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 6 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/21/2021   15:30:07   (  -0.02, -75.19) (   0.00, -75.26)    7.81                80
 06/23/2021   15:15:14   (  -0.02, -75.16) (  -0.64, -72.30)  325.29                80
 06/24/2021   03:39:18   (   0.01, -75.14) (  -0.45, -77.50)  268.03                80
 06/26/2021   03:24:24   (   0.02, -75.11) (   0.13, -74.53)   65.43                80
 06/28/2021   03:12:11   (   0.03, -75.09) (   0.77, -71.58)  399.62                80
 06/28/2021   15:36:06   (  -0.02, -75.11) (   0.33, -76.73)  184.69                80
 06/30/2021   15:21:13   (  -0.03, -75.11) (  -0.32, -73.78)  150.89                80
 07/01/2021   03:45:16   (   0.02, -75.09) (  -0.83, -78.96)  441.23                80
 07/02/2021   15:09:00   (  -0.03, -75.11) (  -0.96, -70.83)  487.33                80
 07/03/2021   03:33:03   (   0.02, -75.09) (  -0.18, -76.01)  104.61                80