Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 5 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/06/2021   15:18:42   (   0.03, -75.18) (  -0.55, -72.30)  326.38                80
 05/07/2021   03:40:05   (  -0.02, -75.16) (  -0.54, -77.50)  266.20                80
 05/09/2021   03:25:12   (  -0.02, -75.16) (   0.10, -74.54)   70.46                80
 05/11/2021   03:12:59   (  -0.02, -75.17) (   0.75, -71.59)  407.60                80
 05/11/2021   15:34:14   (   0.02, -75.19) (   0.35, -76.75)  176.52                80
 05/13/2021   15:24:41   (   0.02, -75.20) (  -0.30, -73.79)  160.98                80
 05/14/2021   03:46:05   (  -0.01, -75.19) (  -0.79, -78.99)  430.89                80
 05/15/2021   15:12:28   (   0.01, -75.22) (  -0.95, -70.84)  498.66                80
 05/16/2021   03:33:51   (  -0.01, -75.21) (  -0.20, -76.02)   93.18                80
 05/18/2021   03:18:58   (   0.00, -75.22) (   0.46, -73.07)  244.95                80
 05/18/2021   15:40:13   (  -0.00, -75.24) (   0.64, -78.23)  339.25                80