Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 7 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2020   07:24:45   (   0.00,-137.19) (   0.82,-133.38)  433.80                80
 07/19/2020   19:43:20   (  -0.01,-137.19) (   0.31,-138.53)  152.70                80
 07/21/2020   19:33:49   (  -0.01,-137.18) (  -0.33,-135.58)  182.39                80
 07/22/2020   07:52:34   (   0.02,-137.18) (  -0.73,-140.78)  408.52                80
 07/24/2020   07:40:23   (   0.03,-137.17) (  -0.09,-137.82)   74.07                80
 07/26/2020   07:30:51   (   0.03,-137.15) (   0.49,-134.86)  260.19                80
 07/26/2020   19:49:27   (  -0.03,-137.14) (   0.58,-140.02)  326.76                80
 07/28/2020   19:39:55   (  -0.02,-137.12) (  -0.01,-137.05)    7.36                80
 07/30/2020   19:25:04   (   0.00,-137.08) (  -0.66,-134.10)  339.99                80
 07/31/2020   07:49:08   (  -0.01,-137.07) (  -0.45,-139.29)  251.23                80