Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 10 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/20/2021   15:21:49   (   0.06, -75.20) (  -0.26, -73.77)  163.97                80
 10/21/2021   03:43:12   (  -0.06, -75.19) (  -0.88, -78.95)  428.01                80
 10/23/2021   03:30:58   (  -0.07, -75.20) (  -0.22, -76.00)   90.90                80
 10/25/2021   03:16:03   (  -0.07, -75.20) (   0.37, -73.03)  246.60                80
 10/25/2021   15:37:18   (   0.07, -75.22) (   0.71, -78.19)  337.90                80
 10/27/2021   15:27:44   (   0.08, -75.23) (   0.05, -75.24)    3.26                80
 10/29/2021   15:15:29   (   0.08, -75.25) (  -0.56, -72.27)  338.56                80
 10/30/2021   03:34:12   (  -0.08, -75.24) (  -0.57, -77.46)  252.81                80
 11/01/2021   03:24:38   (  -0.08, -75.26) (   0.10, -74.51)   86.46                80
 11/01/2021   15:43:12   (   0.08, -75.28) (   1.04, -79.66)  497.91                80