Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/22/2017   07:28:24   (   0.27,-135.13) (   0.30,-134.92)   23.41                80
 10/24/2017   07:16:13   (   0.27,-135.07) (   0.93,-131.97)  352.83                80
 10/24/2017   19:37:29   (  -0.26,-135.06) (   0.16,-137.13)  234.80                80
 10/26/2017   19:27:58   (  -0.26,-134.99) (  -0.42,-134.17)   93.73                80
 10/27/2017   07:49:23   (   0.25,-134.98) (  -0.65,-139.37)  498.01                80
 10/28/2017   19:15:48   (  -0.25,-134.92) (  -1.02,-131.21)  421.41                80
 10/29/2017   07:37:13   (   0.25,-134.91) (  -0.06,-136.41)  170.72                80
 10/31/2017   07:22:24   (   0.25,-134.83) (   0.55,-133.46)  155.64                80
 10/31/2017   19:43:40   (  -0.24,-134.80) (   0.58,-138.62)  434.46                80
 11/02/2017   07:10:15   (   0.25,-134.74) (   1.13,-130.51)  481.11                80
 11/02/2017   19:31:32   (  -0.24,-134.71) (  -0.05,-135.67)  109.05                80
 11/04/2017   19:22:04   (  -0.24,-134.62) (  -0.63,-132.73)  215.22                80