Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 5 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/25/2019   07:06:19   (   0.12,-128.42) (   0.05,-128.65)   26.19                80
 05/27/2019   06:51:28   (   0.13,-128.42) (   0.73,-125.70)  310.22                80
 05/27/2019   19:15:23   (  -0.12,-128.46) (   0.39,-130.85)  271.47                80
 05/29/2019   19:03:11   (  -0.12,-128.46) (  -0.22,-127.89)   64.67                80
 05/31/2019   18:48:20   (  -0.13,-128.46) (  -0.90,-124.94)  400.22                80
 06/01/2019   07:12:23   (   0.12,-128.42) (  -0.27,-130.12)  194.35                80
 06/03/2019   06:57:32   (   0.12,-128.40) (   0.41,-127.17)  140.21                80
 06/03/2019   19:21:26   (  -0.11,-128.43) (   0.71,-132.33)  442.53                80
 06/05/2019   06:45:20   (   0.13,-128.38) (   1.03,-124.22)  473.79                80
 06/05/2019   19:09:15   (  -0.11,-128.41) (   0.09,-129.37)  109.05                80
 06/07/2019   18:54:23   (  -0.12,-128.38) (  -0.53,-126.41)  223.76                80