Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 9 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)
 09/19/2019   07:21:53   (  -0.02,-137.21) (   0.82,-133.40)  433.51                80
 09/19/2019   19:43:08   (   0.02,-137.21) (   0.31,-138.55)  152.51                80
 09/21/2019   19:33:37   (   0.03,-137.21) (  -0.33,-135.60)  183.05                80
 09/22/2019   07:55:00   (  -0.03,-137.20) (  -0.79,-140.79)  407.88                80
 09/24/2019   07:42:49   (  -0.03,-137.19) (  -0.15,-137.84)   73.58                80
 09/26/2019   07:27:57   (  -0.03,-137.17) (   0.44,-134.88)  260.15                80
 09/26/2019   19:49:13   (   0.02,-137.16) (   0.63,-140.04)  326.78                80
 09/28/2019   19:37:02   (   0.02,-137.14) (  -0.02,-137.09)    7.05                80
 09/30/2019   19:27:30   (   0.02,-137.11) (  -0.62,-134.13)  339.33                80
 10/01/2019   07:48:54   (  -0.02,-137.10) (  -0.49,-139.32)  251.87                80