Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 8 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/30/2021   07:27:03   (   0.03,-137.19) (   0.51,-134.85)  264.92                80
 08/30/2021   19:45:38   (  -0.03,-137.19) (   0.57,-140.01)  320.80                80
 09/01/2021   19:36:04   (  -0.03,-137.17) (  -0.05,-137.05)   13.57                80
 09/03/2021   19:23:50   (  -0.03,-137.15) (  -0.68,-134.09)  347.18                80
 09/04/2021   07:42:33   (   0.03,-137.13) (  -0.40,-139.29)  245.15                80
 09/06/2021   07:30:19   (   0.03,-137.10) (   0.17,-136.32)   88.02                80
 09/06/2021   19:51:33   (  -0.03,-137.10) (   0.91,-141.48)  498.19                80
 09/08/2021   07:20:11   (   0.03,-137.06) (   0.81,-133.36)  420.63                46
 09/08/2021   19:39:19   (  -0.03,-137.06) (   0.27,-138.52)  165.73                80
 09/10/2021   19:29:44   (  -0.03,-137.02) (  -0.31,-135.55)  166.08                80
 09/11/2021   07:48:28   (   0.03,-136.99) (  -0.76,-140.75)  426.67                80
 09/12/2021   19:17:30   (  -0.02,-136.96) (  -0.96,-132.60)  496.97                80