Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2021   07:22:29   (   0.03,-137.20) (   0.54,-134.89)  262.71                80
 12/04/2021   19:46:23   (  -0.03,-137.20) (   0.60,-140.04)  323.72                80
 12/06/2021   19:31:29   (  -0.03,-137.18) (  -0.06,-137.09)   11.32                80
 12/08/2021   19:21:54   (  -0.02,-137.16) (  -0.67,-134.12)  345.76                80
 12/09/2021   07:43:17   (   0.02,-137.16) (  -0.46,-139.31)  245.29                80
 12/11/2021   07:28:23   (   0.02,-137.14) (   0.21,-136.36)   89.29                80
 12/11/2021   19:49:37   (  -0.02,-137.14) (   0.93,-141.51)  497.50                80
 12/13/2021   07:16:08   (   0.02,-137.12) (   0.83,-133.40)  423.55                80
 12/13/2021   19:37:22   (  -0.01,-137.11) (   0.31,-138.55)  163.31                80
 12/15/2021   19:27:47   (  -0.01,-137.09) (  -0.31,-135.58)  170.41                80
 12/16/2021   07:49:10   (   0.01,-137.08) (  -0.75,-140.78)  420.88                80