Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/11/2021   07:21:36   (   0.00,-137.24) (   0.83,-133.40)  436.70                80
 01/11/2021   19:45:31   (  -0.00,-137.25) (   0.29,-138.55)  148.53                80
 01/13/2021   19:30:39   (  -0.00,-137.25) (  -0.35,-135.60)  187.78                80
 01/14/2021   07:54:43   (  -0.00,-137.24) (  -0.75,-140.79)  403.42                80
 01/16/2021   07:42:30   (  -0.02,-137.24) (  -0.17,-137.82)   66.82                80
 01/18/2021   07:27:38   (  -0.02,-137.24) (   0.47,-134.87)  269.30                80
 01/18/2021   19:51:32   (   0.03,-137.25) (   0.64,-140.02)  316.19                80
 01/20/2021   19:39:20   (   0.02,-137.24) (  -0.00,-137.07)   19.30                80
 01/22/2021   19:24:29   (   0.02,-137.23) (  -0.65,-134.11)  354.00                80
 01/23/2021   07:48:32   (  -0.02,-137.21) (  -0.45,-139.31)  237.77                80