Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2021   03:14:18   (  -0.02, -75.20) (   0.72, -71.57)  412.21                80
 01/19/2021   15:35:34   (   0.02, -75.23) (   0.33, -76.74)  171.05                80
 01/21/2021   15:26:02   (   0.02, -75.25) (  -0.32, -73.79)  167.69                80
 01/22/2021   03:47:25   (  -0.02, -75.24) (  -0.78, -78.98)  424.42                80
 01/24/2021   03:35:14   (   0.01, -75.27) (  -0.13, -76.03)   85.88                80
 01/26/2021   03:20:21   (   0.01, -75.29) (   0.47, -73.06)  253.53                80
 01/26/2021   15:41:36   (  -0.01, -75.32) (   0.58, -78.23)  329.76                80
 01/28/2021   15:32:03   (  -0.00, -75.36) (  -0.01, -75.26)   10.18                80
 01/30/2021   15:19:52   (  -0.00, -75.39) (  -0.68, -72.31)  350.60                80
 01/31/2021   03:41:14   (   0.00, -75.38) (  -0.48, -77.49)  240.67                80