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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/03/2021   03:14:25   (   0.00, -75.18) (   0.75, -71.58)  409.23                80
 01/03/2021   15:35:41   (   0.00, -75.20) (   0.31, -76.74)  174.66                80
 01/05/2021   15:26:08   (   0.02, -75.19) (  -0.26, -73.77)  161.18                80
 01/06/2021   03:47:32   (  -0.02, -75.17) (  -0.85, -78.96)  431.84                80
 01/07/2021   15:13:56   (   0.02, -75.19) (  -0.89, -70.82)  496.97                80
 01/08/2021   03:35:21   (  -0.00, -75.17) (  -0.16, -76.02)   96.29                80
 01/10/2021   03:20:29   (   0.01, -75.17) (   0.48, -73.07)  239.58                80
 01/10/2021   15:41:43   (  -0.01, -75.19) (   0.64, -78.22)  344.43                80
 01/12/2021   15:29:32   (  -0.01, -75.19) (  -0.00, -75.26)    7.68                80
 01/14/2021   15:20:00   (  -0.00, -75.21) (  -0.64, -72.31)  329.98                80
 01/15/2021   03:41:22   (   0.00, -75.19) (  -0.51, -77.49)  262.04                80