Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 3 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/18/2021   19:29:57   (   0.04,-137.21) (  -0.32,-135.58)  185.67                80
 03/19/2021   07:54:01   (  -0.04,-137.20) (  -0.77,-140.77)  405.62                80
 03/21/2021   07:41:48   (  -0.04,-137.19) (  -0.15,-137.82)   71.03                80
 03/23/2021   07:26:55   (  -0.03,-137.17) (   0.48,-134.86)  262.90                80
 03/23/2021   19:48:10   (   0.03,-137.17) (   0.63,-140.01)  323.60                80
 03/25/2021   19:38:37   (   0.03,-137.14) (  -0.00,-137.06)    9.69                80
 03/27/2021   19:26:24   (   0.03,-137.10) (  -0.64,-134.10)  342.26                80
 03/28/2021   07:45:07   (  -0.03,-137.09) (  -0.51,-139.28)  249.67                80
 03/30/2021   07:35:34   (  -0.03,-137.05) (   0.13,-136.33)   82.44                80