Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 12 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/13/2020   07:54:53   (   0.02,-137.23) (  -0.74,-140.78)  403.95                80
 12/15/2020   07:42:40   (   0.03,-137.22) (  -0.13,-137.81)   68.31                80
 12/17/2020   07:27:48   (   0.03,-137.21) (   0.55,-134.86)  267.08                80
 12/17/2020   19:51:43   (  -0.02,-137.21) (   0.56,-140.02)  319.31                80
 12/19/2020   19:36:50   (  -0.02,-137.19) (  -0.05,-137.05)   15.84                80
 12/21/2020   19:24:37   (  -0.02,-137.18) (  -0.68,-134.09)  350.79                80
 12/22/2020   07:48:41   (   0.02,-137.17) (  -0.41,-139.29)  240.06                80
 12/24/2020   07:33:48   (   0.02,-137.15) (   0.22,-136.32)   94.42                80
 12/24/2020   19:55:02   (  -0.01,-137.15) (   0.89,-141.48)  492.40                80
 12/26/2020   07:21:34   (   0.02,-137.12) (   0.79,-133.35)  428.20                80
 12/26/2020   19:42:49   (  -0.01,-137.12) (   0.26,-138.52)  158.81                80