Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 9 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/24/2021   07:17:54   (   0.04,-137.20) (   0.83,-133.40)  431.96                80
 09/24/2021   19:39:08   (  -0.04,-137.20) (   0.26,-138.55)  154.26                80
 09/26/2021   19:29:35   (  -0.04,-137.19) (  -0.40,-135.60)  180.64                80
 09/27/2021   07:50:58   (   0.04,-137.18) (  -0.75,-140.79)  410.70                80
 09/29/2021   07:38:45   (   0.04,-137.16) (  -0.09,-137.84)   76.77                80
 10/01/2021   07:23:51   (   0.03,-137.13) (   0.51,-134.88)  256.58                80
 10/01/2021   19:45:06   (  -0.03,-137.13) (   0.58,-140.03)  330.35                80
 10/03/2021   19:35:32   (  -0.02,-137.09) (  -0.03,-137.07)    2.37                80
 10/05/2021   19:23:18   (  -0.02,-137.06) (  -0.64,-134.11)  334.54                80
 10/06/2021   07:44:42   (   0.02,-137.04) (  -0.44,-139.31)  257.29                80