Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2021   19:33:43   (  -0.02,-137.21) (  -0.04,-137.08)   14.96                80
 12/24/2021   19:21:30   (  -0.02,-137.20) (  -0.68,-134.12)  350.72                80
 12/25/2021   07:42:52   (   0.01,-137.20) (  -0.45,-139.31)  240.54                80
 12/27/2021   07:27:58   (   0.01,-137.18) (   0.20,-136.35)   94.61                80
 12/27/2021   19:49:13   (  -0.01,-137.19) (   0.88,-141.51)  491.59                80
 12/29/2021   07:15:43   (   0.02,-137.17) (   0.79,-133.39)  428.98                80
 12/29/2021   19:36:58   (  -0.02,-137.17) (   0.29,-138.55)  157.47                80
 12/31/2021   19:27:23   (  -0.02,-137.14) (  -0.32,-135.59)  175.72                80
 01/01/2022   07:48:47   (   0.02,-137.12) (  -0.75,-140.79)  416.08                80
 01/03/2022   07:36:32   (   0.01,-137.08) (  -0.13,-137.82)   83.74                80