Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 6 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/24/2019   07:18:17   (   0.08,-128.06) (  -0.67,-131.55)  397.25                80
 06/26/2019   07:06:05   (   0.09,-128.00) (  -0.02,-128.59)   67.02                80
 06/28/2019   06:51:12   (   0.10,-127.94) (   0.58,-125.63)  262.71                80
 06/28/2019   19:15:07   (  -0.07,-127.97) (   0.53,-130.78)  320.23                80
 06/30/2019   19:02:54   (  -0.08,-127.90) (  -0.06,-127.81)    9.26                80
 07/02/2019   18:48:02   (  -0.08,-127.82) (  -0.72,-124.86)  336.70                80
 07/03/2019   07:12:05   (   0.06,-127.76) (  -0.44,-130.04)  259.50                80
 07/05/2019   06:57:13   (   0.07,-127.67) (   0.22,-127.09)   67.63                80
 07/07/2019   06:45:00   (   0.08,-127.59) (   0.83,-124.12)  394.41                80
 07/07/2019   19:08:55   (  -0.05,-127.60) (   0.28,-129.27)  189.82                80