Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 12 19.  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   (  -0.01,-137.22) (  -0.02,-137.06)   18.70                80
 12/21/2020   19:24:40   (  -0.01,-137.22) (  -0.68,-134.11)  353.83                80
 12/22/2020   07:48:44   (   0.01,-137.22) (  -0.43,-139.30)  236.43                80
 12/24/2020   07:33:52   (   0.01,-137.21) (   0.18,-136.34)   98.32                80
 12/24/2020   19:57:48   (  -0.01,-137.20) (   0.89,-141.50)  488.84                80
 12/26/2020   07:21:41   (   0.02,-137.19) (   0.84,-133.39)  432.34                80
 12/26/2020   19:42:56   (  -0.02,-137.18) (   0.28,-138.54)  155.01                80
 12/28/2020   19:33:24   (  -0.01,-137.16) (  -0.33,-135.59)  178.13                80
 12/29/2020   07:54:48   (   0.01,-137.15) (  -0.78,-140.78)  412.73                80
 12/31/2020   07:39:56   (   0.01,-137.11) (  -0.16,-137.82)   80.51                80