Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/10/2021   19:38:26   (   0.04,-137.20) (   0.00,-137.06)   16.15                80
 04/12/2021   19:26:13   (   0.04,-137.19) (  -0.59,-134.10)  350.11                80
 04/13/2021   07:47:37   (  -0.04,-137.17) (  -0.51,-139.30)  242.43                80
 04/15/2021   07:32:45   (  -0.04,-137.14) (   0.15,-136.35)   90.68                80
 04/15/2021   19:54:00   (   0.04,-137.14) (   0.96,-141.50)  495.28                80
 04/17/2021   07:20:32   (  -0.04,-137.11) (   0.75,-133.39)  422.83                80
 04/17/2021   19:41:47   (   0.04,-137.11) (   0.36,-138.54)  163.33                80
 04/19/2021   19:32:15   (   0.03,-137.07) (  -0.31,-135.59)  167.89                80
 04/20/2021   07:50:58   (  -0.03,-137.04) (  -0.85,-140.78)  425.32                80
 04/21/2021   19:20:02   (   0.03,-137.02) (  -0.92,-132.64)  498.45                80
 04/22/2021   07:38:46   (  -0.02,-136.99) (  -0.18,-137.83)   94.89                80