Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 9 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/02/2018   07:13:54   (   0.24,-134.88) (   1.16,-130.67)  479.01                80
 09/02/2018   19:32:29   (  -0.27,-134.97) (  -0.09,-135.83)   97.86                80
 09/04/2018   19:22:57   (  -0.26,-135.05) (  -0.72,-132.87)  247.34                80
 09/05/2018   07:41:41   (   0.29,-135.00) (  -0.38,-138.07)  348.41                80
 09/07/2018   07:29:29   (   0.28,-135.08) (   0.26,-135.11)    4.52                80
 09/09/2018   07:19:57   (   0.28,-135.15) (   0.89,-132.15)  339.75                80
 09/09/2018   19:38:33   (  -0.30,-135.22) (   0.17,-137.32)  238.71                80
 09/11/2018   19:29:01   (  -0.30,-135.29) (  -0.47,-134.36)  105.09                80
 09/12/2018   07:50:25   (   0.32,-135.25) (  -0.62,-139.55)  489.60                80
 09/13/2018   19:16:49   (  -0.29,-135.35) (  -1.12,-131.41)  448.58                80
 09/14/2018   07:38:13   (   0.32,-135.32) (   0.02,-136.60)  146.39                80