Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 10 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)
 10/13/2021   15:15:53   (   0.09, -75.19) (  -0.54, -72.29)  330.89                80
 10/14/2021   03:37:16   (  -0.09, -75.19) (  -0.60, -77.47)  260.47                80
 10/16/2021   03:22:22   (  -0.09, -75.19) (   0.04, -74.51)   76.78                80
 10/18/2021   03:10:08   (  -0.09, -75.21) (   0.68, -71.56)  414.98                80
 10/18/2021   15:31:23   (   0.09, -75.22) (   0.40, -76.72)  169.88                80
 10/20/2021   15:21:49   (   0.09, -75.25) (  -0.25, -73.76)  169.35                80
 10/21/2021   03:43:12   (  -0.09, -75.25) (  -0.88, -78.95)  421.10                80
 10/23/2021   03:30:58   (  -0.10, -75.28) (  -0.22, -76.00)   81.40                80
 10/25/2021   03:16:03   (  -0.10, -75.31) (   0.38, -73.03)  258.76                80
 10/25/2021   15:37:18   (   0.10, -75.32) (   0.71, -78.19)  326.00                80