Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 5 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2021   15:22:01   (   0.04, -75.24) (  -0.27, -73.78)  165.89                80
 05/14/2021   03:46:04   (  -0.04, -75.25) (  -0.83, -78.98)  424.35                80
 05/16/2021   03:33:52   (  -0.03, -75.29) (  -0.17, -76.03)   83.84                80
 05/18/2021   03:18:59   (  -0.02, -75.33) (   0.48, -73.07)  257.11                80
 05/18/2021   15:42:53   (   0.02, -75.35) (   0.61, -78.23)  327.12                80
 05/20/2021   15:27:59   (   0.02, -75.40) (   0.01, -75.27)   14.77                80
 05/22/2021   15:15:46   (   0.01, -75.45) (  -0.65, -72.31)  356.91                80
 05/23/2021   03:39:50   (  -0.01, -75.46) (  -0.43, -77.51)  232.75                80
 05/25/2021   03:24:56   (  -0.01, -75.52) (   0.17, -74.55)  110.10                80
 05/25/2021   15:48:51   (   0.01, -75.54) (   0.92, -79.71)  473.73                80