Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 12 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2020   19:39:31   (  -0.02,-137.23) (  -0.03,-137.06)   18.71                80
 12/21/2020   19:24:40   (  -0.02,-137.22) (  -0.69,-134.11)  354.01                80
 12/22/2020   07:48:44   (   0.01,-137.22) (  -0.42,-139.30)  236.20                80
 12/24/2020   07:33:52   (   0.01,-137.21) (   0.19,-136.34)   98.71                80
 12/24/2020   19:57:48   (  -0.01,-137.20) (   0.87,-141.51)  488.39                80
 12/26/2020   07:21:40   (   0.02,-137.20) (   0.80,-133.38)  432.96                80
 12/26/2020   19:42:56   (  -0.02,-137.19) (   0.26,-138.55)  154.36                80
 12/28/2020   19:33:24   (  -0.01,-137.16) (  -0.36,-135.59)  179.00                80
 12/29/2020   07:54:48   (   0.01,-137.16) (  -0.74,-140.78)  411.80                80
 12/31/2020   07:39:56   (   0.01,-137.12) (  -0.12,-137.82)   79.40                80