Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2021   19:25:08   (  -0.02,-137.21) (  -0.38,-135.60)  183.28                80
 12/16/2021   07:49:11   (   0.02,-137.20) (  -0.75,-140.79)  407.96                80
 12/18/2021   07:36:56   (   0.02,-137.18) (  -0.13,-137.83)   73.15                80
 12/20/2021   07:22:01   (   0.02,-137.16) (   0.50,-134.86)  261.03                80
 12/20/2021   19:43:16   (  -0.02,-137.16) (   0.57,-140.03)  325.46                80
 12/22/2021   19:33:41   (  -0.02,-137.13) (  -0.05,-137.06)    8.36                80
 12/24/2021   19:21:25   (  -0.01,-137.10) (  -0.62,-134.09)  341.11                80
 12/25/2021   07:42:49   (   0.01,-137.08) (  -0.44,-139.29)  250.69                80
 12/27/2021   07:27:53   (   0.01,-137.05) (   0.14,-136.32)   81.81                80