Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2021   07:28:23   (   0.03,-137.21) (   0.22,-136.36)   96.20                80
 12/11/2021   19:52:17   (  -0.02,-137.21) (   0.91,-141.51)  489.81                80
 12/13/2021   07:16:08   (   0.03,-137.21) (   0.83,-133.40)  432.79                80
 12/13/2021   19:40:03   (  -0.02,-137.21) (   0.24,-138.56)  153.33                80
 12/15/2021   19:25:08   (  -0.03,-137.20) (  -0.37,-135.60)  182.60                80
 12/16/2021   07:49:11   (   0.02,-137.20) (  -0.75,-140.79)  408.12                80
 12/18/2021   07:36:56   (   0.02,-137.18) (  -0.13,-137.82)   73.19                80
 12/20/2021   07:22:01   (   0.02,-137.16) (   0.49,-134.86)  261.15                80
 12/20/2021   19:43:16   (  -0.02,-137.16) (   0.58,-140.02)  325.77                80
 12/22/2021   19:33:41   (  -0.02,-137.13) (  -0.04,-137.06)    7.93                80
 12/24/2021   19:21:26   (  -0.01,-137.10) (  -0.67,-134.10)  340.99                80