Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2019   07:22:17   (   0.02,-137.20) (   0.84,-133.43)  428.93                80
 06/15/2019   19:43:32   (  -0.02,-137.21) (   0.26,-138.58)  156.16                80
 06/17/2019   19:34:00   (  -0.02,-137.20) (  -0.37,-135.62)  179.18                80
 06/18/2019   07:55:24   (   0.02,-137.19) (  -0.74,-140.81)  412.29                80
 06/20/2019   07:43:12   (   0.03,-137.17) (  -0.10,-137.86)   77.81                80
 06/22/2019   07:28:20   (   0.04,-137.15) (   0.55,-134.90)  256.36                80
 06/22/2019   19:49:35   (  -0.04,-137.15) (   0.56,-140.05)  329.93                80
 06/24/2019   19:40:02   (  -0.04,-137.13) (  -0.03,-137.09)    4.62                80
 06/26/2019   19:27:50   (  -0.05,-137.10) (  -0.68,-134.13)  337.33                80
 06/27/2019   07:49:14   (   0.04,-137.09) (  -0.43,-139.32)  253.91                80