Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 10 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/18/2021   03:10:09   (  -0.08, -75.19) (   0.70, -71.56)  412.34                80
 10/18/2021   15:31:23   (   0.08, -75.20) (   0.38, -76.72)  172.63                80
 10/20/2021   15:21:48   (   0.08, -75.20) (  -0.20, -73.75)  164.13                80
 10/21/2021   03:43:12   (  -0.08, -75.19) (  -0.87, -78.95)  427.48                80
 10/23/2021   03:30:57   (  -0.08, -75.20) (  -0.28, -75.99)   90.28                80
 10/25/2021   03:16:03   (  -0.08, -75.21) (   0.38, -73.03)  247.40                80
 10/25/2021   15:37:18   (   0.08, -75.22) (   0.70, -78.19)  337.44                80
 10/27/2021   15:25:03   (   0.09, -75.23) (   0.10, -75.23)    1.49                80
 10/29/2021   15:15:29   (   0.10, -75.25) (  -0.56, -72.27)  339.31                80
 10/30/2021   03:34:12   (  -0.09, -75.25) (  -0.56, -77.46)  251.66                80