Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2021   07:43:18   (   0.03,-137.21) (  -0.41,-139.32)  240.24                80
 12/11/2021   07:28:23   (   0.03,-137.21) (   0.20,-136.36)   96.86                80
 12/11/2021   19:52:17   (  -0.02,-137.21) (   0.88,-141.52)  489.46                80
 12/13/2021   07:16:08   (   0.03,-137.21) (   0.81,-133.39)  433.71                80
 12/13/2021   19:40:02   (  -0.02,-137.21) (   0.27,-138.56)  152.71                80
 12/15/2021   19:25:07   (  -0.02,-137.21) (  -0.35,-135.59)  183.48                80
 12/16/2021   07:49:11   (   0.02,-137.21) (  -0.72,-140.79)  406.83                80
 12/18/2021   07:36:56   (   0.02,-137.20) (  -0.10,-137.83)   71.60                80
 12/20/2021   07:22:01   (   0.02,-137.18) (   0.52,-134.87)  263.03                80
 12/20/2021   19:43:15   (  -0.01,-137.17) (   0.61,-140.02)  324.23                80
 12/22/2021   19:33:40   (  -0.01,-137.14) (  -0.02,-137.06)    9.73                80