Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2021   07:20:15   (   0.05,-137.20) (   0.84,-133.40)  431.98                80
 10/10/2021   19:38:49   (  -0.05,-137.20) (   0.25,-138.56)  155.00                80
 10/12/2021   19:29:15   (  -0.04,-137.18) (  -0.38,-135.60)  179.16                80
 10/13/2021   07:50:38   (   0.04,-137.17) (  -0.75,-140.79)  411.75                80
 10/15/2021   07:38:24   (   0.04,-137.15) (  -0.12,-137.83)   78.00                80
 10/17/2021   07:23:30   (   0.03,-137.12) (   0.52,-134.87)  255.66                80
 10/17/2021   19:44:45   (  -0.03,-137.11) (   0.57,-140.03)  331.67                80
 10/19/2021   19:35:10   (  -0.03,-137.08) (  -0.02,-137.06)    2.54                80
 10/21/2021   19:22:56   (  -0.03,-137.05) (  -0.67,-134.11)  334.47                80
 10/22/2021   07:44:19   (   0.03,-137.04) (  -0.46,-139.30)  256.67                80