Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 11 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)
 11/18/2021   07:22:52   (   0.04,-137.22) (   0.55,-134.90)  264.57                80
 11/18/2021   19:44:07   (  -0.04,-137.22) (   0.54,-140.05)  321.26                80
 11/20/2021   19:31:53   (  -0.04,-137.22) (  -0.08,-137.10)   14.48                80
 11/22/2021   19:22:19   (  -0.03,-137.20) (  -0.71,-134.14)  349.15                80
 11/23/2021   07:43:42   (   0.03,-137.19) (  -0.43,-139.32)  242.28                80
 11/25/2021   07:28:48   (   0.02,-137.17) (   0.21,-136.37)   91.78                80
 11/25/2021   19:50:02   (  -0.02,-137.17) (   0.88,-141.53)  494.85                80
 11/27/2021   07:16:33   (   0.02,-137.15) (   0.78,-133.40)  425.34                80
 11/27/2021   19:37:47   (  -0.02,-137.14) (   0.31,-138.56)  161.42                80
 11/29/2021   19:28:14   (  -0.01,-137.11) (  -0.33,-135.60)  171.55                80
 11/30/2021   07:49:36   (   0.01,-137.10) (  -0.79,-140.79)  420.17                80