Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/17/2021   07:23:30   (   0.05,-137.20) (   0.52,-134.87)  264.30                80
 10/17/2021   19:44:45   (  -0.05,-137.20) (   0.57,-140.03)  322.26                80
 10/19/2021   19:35:11   (  -0.05,-137.20) (  -0.08,-137.08)   13.99                80
 10/21/2021   19:22:57   (  -0.05,-137.19) (  -0.73,-134.12)  349.70                80
 10/22/2021   07:44:20   (   0.05,-137.19) (  -0.40,-139.31)  240.72                80
 10/24/2021   07:29:25   (   0.04,-137.17) (   0.19,-136.34)   94.16                80
 10/24/2021   19:50:40   (  -0.04,-137.17) (   0.89,-141.50)  493.13                80
 10/26/2021   07:17:11   (   0.04,-137.15) (   0.85,-133.39)  428.21                80
 10/26/2021   19:38:26   (  -0.03,-137.14) (   0.24,-138.55)  159.22                80
 10/28/2021   19:28:51   (  -0.03,-137.11) (  -0.37,-135.58)  174.14                80
 10/29/2021   07:50:14   (   0.03,-137.10) (  -0.76,-140.77)  416.70                80