Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2021   07:37:23   (   0.03,-137.20) (  -0.09,-137.85)   73.53                80
 12/04/2021   07:22:28   (   0.03,-137.19) (   0.51,-134.88)  261.69                80
 12/04/2021   19:43:43   (  -0.02,-137.19) (   0.57,-140.04)  324.68                80
 12/06/2021   19:34:08   (  -0.02,-137.17) (  -0.03,-137.08)    9.63                80
 12/08/2021   19:21:53   (  -0.01,-137.14) (  -0.63,-134.12)  343.50                80
 12/09/2021   07:43:17   (   0.01,-137.13) (  -0.44,-139.32)  247.96                80
 12/11/2021   07:28:22   (   0.01,-137.11) (   0.18,-136.35)   85.88                80
 12/13/2021   07:16:07   (   0.01,-137.08) (   0.79,-133.39)  419.52                80
 12/13/2021   19:37:22   (  -0.01,-137.07) (   0.28,-138.55)  167.34                80