Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 1 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2021   03:26:31   (  -0.02, -75.19) (   0.13, -74.54)   74.47                80
 01/19/2021   03:14:19   (  -0.03, -75.21) (   0.77, -71.58)  413.06                80
 01/19/2021   15:35:34   (   0.02, -75.24) (   0.34, -76.74)  170.08                80
 01/21/2021   15:26:02   (   0.02, -75.27) (  -0.31, -73.78)  169.14                80
 01/22/2021   03:47:25   (  -0.02, -75.25) (  -0.79, -78.98)  422.84                80
 01/24/2021   03:35:13   (  -0.00, -75.28) (  -0.13, -76.03)   83.65                80
 01/26/2021   03:20:20   (   0.00, -75.32) (   0.46, -73.06)  256.11                80
 01/26/2021   15:41:36   (  -0.00, -75.35) (   0.59, -78.23)  327.05                80
 01/28/2021   15:32:03   (  -0.00, -75.38) (  -0.01, -75.26)   13.42                80