Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 9 21.  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   07:24:44   (   0.04,-137.20) (   0.84,-133.38)  434.45                80
 09/21/2020   19:43:20   (  -0.05,-137.20) (   0.23,-138.54)  152.28                80
 09/23/2020   19:33:49   (  -0.04,-137.21) (  -0.38,-135.59)  184.18                80
 09/24/2020   07:55:14   (   0.04,-137.21) (  -0.69,-140.78)  405.68                80
 09/26/2020   07:43:03   (   0.04,-137.21) (  -0.10,-137.83)   70.00                80
 09/28/2020   07:28:13   (   0.03,-137.21) (   0.54,-134.88)  265.34                80
 09/28/2020   19:49:28   (  -0.03,-137.20) (   0.60,-140.03)  321.92                80
 09/30/2020   19:39:58   (  -0.03,-137.19) (  -0.02,-137.07)   13.38                80
 10/02/2020   19:27:49   (  -0.03,-137.19) (  -0.69,-134.13)  347.32                80
 10/03/2020   07:49:12   (   0.03,-137.19) (  -0.45,-139.32)  242.95                80