Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 9 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2020   07:24:45   (   0.04,-137.18) (   0.86,-133.39)  431.71                80
 09/21/2020   19:43:20   (  -0.05,-137.18) (   0.22,-138.55)  155.14                80
 09/23/2020   19:33:49   (  -0.04,-137.16) (  -0.37,-135.59)  178.63                80
 09/24/2020   07:52:34   (   0.04,-137.15) (  -0.71,-140.78)  412.53                80
 09/26/2020   07:40:24   (   0.04,-137.13) (  -0.10,-137.83)   79.69                80
 09/28/2020   07:28:14   (   0.03,-137.10) (   0.49,-134.88)  252.77                80
 09/28/2020   19:49:30   (  -0.03,-137.09) (   0.60,-140.04)  334.66                80
 09/30/2020   19:37:21   (  -0.03,-137.07) (  -0.02,-137.09)    2.89                80
 10/02/2020   19:27:53   (  -0.03,-137.03) (  -0.67,-134.15)  328.48                80
 10/03/2020   07:49:18   (   0.03,-137.02) (  -0.44,-139.34)  263.17                80