Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 10 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/09/2021   03:16:26   (  -0.09, -75.20) (   0.35, -73.04)  244.73                80
 10/09/2021   15:37:41   (   0.09, -75.20) (   0.74, -78.20)  340.68                80
 10/11/2021   15:25:27   (   0.10, -75.20) (   0.11, -75.24)    4.73                80
 10/13/2021   15:15:53   (   0.11, -75.20) (  -0.52, -72.28)  331.69                80
 10/14/2021   03:37:16   (  -0.11, -75.19) (  -0.61, -77.47)  259.65                80
 10/16/2021   03:22:22   (  -0.11, -75.20) (   0.02, -74.51)   77.82                80
 10/18/2021   03:10:08   (  -0.11, -75.22) (   0.67, -71.55)  416.23                80
 10/18/2021   15:31:23   (   0.11, -75.23) (   0.42, -76.71)  168.56                80
 10/20/2021   15:21:49   (   0.11, -75.26) (  -0.23, -73.76)  170.86                80
 10/21/2021   03:43:12   (  -0.11, -75.26) (  -0.90, -78.95)  419.58                80