Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/25/2021   07:42:53   (   0.01,-137.21) (  -0.43,-139.31)  239.29                80
 12/27/2021   07:27:59   (   0.01,-137.20) (   0.22,-136.36)   96.69                80
 12/27/2021   19:51:53   (  -0.01,-137.21) (   0.92,-141.51)  489.06                80
 12/29/2021   07:15:44   (   0.02,-137.19) (   0.82,-133.39)  431.76                80
 12/29/2021   19:36:59   (  -0.01,-137.20) (   0.26,-138.56)  154.18                80
 12/31/2021   19:27:24   (  -0.02,-137.17) (  -0.34,-135.59)  179.69                80
 01/01/2022   07:48:47   (   0.02,-137.16) (  -0.72,-140.79)  412.19                80
 01/03/2022   07:36:32   (   0.02,-137.13) (  -0.11,-137.83)   79.25                80
 01/05/2022   07:21:38   (   0.02,-137.09) (   0.51,-134.87)  253.59                80
 01/05/2022   19:42:51   (  -0.02,-137.09) (   0.63,-140.02)  333.16                80
 01/07/2022   19:30:36   (  -0.01,-137.06) (   0.00,-137.06)    1.81                80