Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 12 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)
 12/10/2019   19:33:31   (   0.01,-137.20) (  -0.31,-135.59)  182.43                80
 12/11/2019   07:52:15   (  -0.01,-137.20) (  -0.80,-140.78)  407.59                80
 12/13/2019   07:40:04   (  -0.02,-137.21) (  -0.15,-137.83)   70.66                80
 12/15/2019   07:30:32   (  -0.03,-137.20) (   0.45,-134.86)  265.52                80
 12/15/2019   19:49:08   (   0.03,-137.20) (   0.62,-140.03)  321.21                80
 12/17/2019   19:39:36   (   0.04,-137.19) (   0.02,-137.06)   14.26                80
 12/19/2019   19:27:24   (   0.04,-137.17) (  -0.59,-134.10)  349.27                80
 12/20/2019   07:46:08   (  -0.04,-137.17) (  -0.52,-139.29)  241.30                80
 12/22/2019   07:36:37   (  -0.04,-137.15) (   0.15,-136.34)   92.99                80
 12/22/2019   19:55:11   (   0.03,-137.14) (   0.98,-141.49)  494.49                80