Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 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)
 01/18/2021   07:27:38   (  -0.00,-137.21) (   0.52,-134.88)  265.53                80
 01/18/2021   19:48:53   (   0.00,-137.22) (   0.59,-140.03)  319.67                80
 01/20/2021   19:39:20   (   0.00,-137.22) (   0.00,-137.07)   16.86                80
 01/22/2021   19:27:08   (   0.01,-137.21) (  -0.65,-134.11)  352.08                80
 01/23/2021   07:48:32   (  -0.01,-137.20) (  -0.45,-139.31)  239.62                80
 01/25/2021   07:33:39   (  -0.01,-137.18) (   0.14,-136.34)   94.96                80
 01/25/2021   19:54:55   (   0.01,-137.18) (   0.91,-141.51)  491.02                80
 01/27/2021   07:21:27   (  -0.01,-137.16) (   0.80,-133.39)  428.63                80
 01/27/2021   19:42:42   (   0.02,-137.16) (   0.31,-138.54)  157.50                80
 01/29/2021   19:33:09   (   0.02,-137.13) (  -0.29,-135.58)  175.36                80
 01/30/2021   07:54:33   (  -0.02,-137.11) (  -0.80,-140.77)  416.81                80