Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/15/2021   07:38:24   (   0.04,-137.20) (  -0.12,-137.83)   72.06                80
 10/17/2021   07:23:30   (   0.04,-137.20) (   0.52,-134.87)  264.11                80
 10/17/2021   19:44:45   (  -0.04,-137.19) (   0.56,-140.03)  322.87                80
 10/19/2021   19:35:11   (  -0.04,-137.19) (  -0.08,-137.08)   13.10                80
 10/21/2021   19:22:56   (  -0.04,-137.18) (  -0.67,-134.11)  348.21                80
 10/22/2021   07:44:20   (   0.04,-137.18) (  -0.40,-139.31)  242.00                80
 10/24/2021   07:29:25   (   0.04,-137.16) (   0.19,-136.34)   92.41                80
 10/24/2021   19:50:40   (  -0.03,-137.15) (   0.89,-141.50)  495.28                80
 10/26/2021   07:17:11   (   0.03,-137.13) (   0.85,-133.39)  426.06                80
 10/26/2021   19:38:25   (  -0.03,-137.12) (   0.29,-138.53)  161.82                80
 10/28/2021   19:28:51   (  -0.02,-137.08) (  -0.37,-135.58)  171.11                80