Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 12 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/17/2020   07:27:48   (   0.02,-137.23) (   0.53,-134.86)  269.41                80
 12/17/2020   19:51:43   (  -0.02,-137.23) (   0.60,-140.01)  317.36                80
 12/19/2020   19:36:52   (  -0.02,-137.22) (  -0.05,-137.06)   18.17                80
 12/21/2020   19:24:41   (  -0.02,-137.22) (  -0.70,-134.11)  353.50                80
 12/22/2020   07:48:45   (   0.01,-137.22) (  -0.41,-139.30)  236.75                80
 12/24/2020   07:33:53   (   0.02,-137.21) (   0.19,-136.34)   98.01                80
 12/24/2020   19:57:49   (  -0.01,-137.20) (   0.88,-141.51)  489.16                80
 12/26/2020   07:21:42   (   0.02,-137.19) (   0.85,-133.40)  432.10                80
 12/26/2020   19:42:57   (  -0.02,-137.18) (   0.27,-138.55)  155.29                80
 12/28/2020   19:33:25   (  -0.01,-137.16) (  -0.33,-135.59)  177.88                80
 12/29/2020   07:54:48   (   0.01,-137.15) (  -0.77,-140.78)  412.93                80