Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 8 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/15/2021   03:11:20   (  -0.03, -75.17) (   0.72, -71.56)  410.51                80
 08/15/2021   15:35:15   (   0.05, -75.17) (   0.37, -76.71)  175.92                80
 08/17/2021   15:20:21   (   0.05, -75.12) (  -0.23, -73.75)  155.40                80
 08/18/2021   03:44:25   (  -0.06, -75.10) (  -0.86, -78.95)  436.67                80
 08/19/2021   15:08:08   (   0.05, -75.08) (  -0.88, -70.80)  487.04                80
 08/20/2021   03:32:11   (  -0.06, -75.06) (  -0.26, -75.98)  104.89                80
 08/22/2021   03:17:17   (  -0.06, -75.03) (   0.34, -73.02)  227.71                80
 08/22/2021   15:41:12   (   0.07, -75.03) (   0.75, -78.18)  358.52                80
 08/24/2021   15:28:59   (   0.07, -75.00) (   0.09, -75.23)   24.79                80
 08/26/2021   15:14:05   (   0.06, -74.99) (  -0.52, -72.26)  310.08                80