Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 6 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2021   15:21:29   (  -0.03, -75.26) (  -0.36, -73.79)  168.18                80
 06/15/2021   03:45:31   (   0.02, -75.26) (  -0.80, -78.97)  422.82                80
 06/17/2021   03:33:20   (   0.03, -75.28) (  -0.11, -76.03)   84.83                80
 06/19/2021   03:18:27   (   0.03, -75.30) (   0.52, -73.07)  253.86                80
 06/19/2021   15:42:21   (  -0.03, -75.32) (   0.58, -78.23)  330.59                80
 06/21/2021   15:27:28   (  -0.03, -75.34) (  -0.06, -75.27)    8.65                80
 06/23/2021   15:15:15   (  -0.03, -75.37) (  -0.69, -72.32)  347.78                80
 06/24/2021   03:39:18   (   0.02, -75.37) (  -0.46, -77.50)  242.63                80
 06/26/2021   03:24:25   (   0.03, -75.40) (   0.18, -74.55)   97.02                80
 06/26/2021   15:48:20   (  -0.02, -75.42) (   0.92, -79.70)  487.20                80